# All Classes

- All Classes Interface Summary Class Summary Enum Summary Exception Summary Error Summary Annotation Types Summary
  Class | Description
  --- | ---
  AboutEvent | Event sent when the application is asked to open its about window.
  AboutHandler | An implementer receives notification when the app is asked to show its about dialog.
  AbsentInformationException | Thrown to indicate line number or variable information is not available.
  AbstractAction | This class provides default implementations for the JFC `Action` interface.
  AbstractAnnotationValueVisitor6<R,​P> | A skeletal visitor for annotation values with default behavior appropriate for the `RELEASE_6` source version.
  AbstractAnnotationValueVisitor7<R,​P> | A skeletal visitor for annotation values with default behavior appropriate for the `RELEASE_7` source version.
  AbstractAnnotationValueVisitor8<R,​P> | A skeletal visitor for annotation values with default behavior appropriate for the `RELEASE_8` source version.
  AbstractAnnotationValueVisitor9<R,​P> | A skeletal visitor for annotation values with default behavior appropriate for source versions `RELEASE_9` through `RELEASE_11`.
  AbstractBorder | A class that implements an empty border with no size.
  AbstractButton | Defines common behaviors for buttons and menu items.
  AbstractCellEditor | A base class for `CellEditors`, providing default implementations for the methods in the `CellEditor` interface except `getCellEditorValue()`.
  AbstractChronology | An abstract implementation of a calendar system, used to organize and identify dates.
  AbstractCollection<E> | This class provides a skeletal implementation of the `Collection` interface, to minimize the effort required to implement this interface.
  AbstractColorChooserPanel | This is the abstract superclass for color choosers.
  AbstractDocument | An implementation of the document interface to serve as a basis for implementing various kinds of documents.
  AbstractDocument.AttributeContext | An interface that can be used to allow MutableAttributeSet implementations to use pluggable attribute compression techniques.
  AbstractDocument.Content | Interface to describe a sequence of character content that can be edited.
  AbstractDocument.ElementEdit | An implementation of ElementChange that can be added to the document event.
  AbstractElementVisitor6<R,​P> | A skeletal visitor of program elements with default behavior appropriate for the `RELEASE_6` source version.
  AbstractElementVisitor7<R,​P> | A skeletal visitor of program elements with default behavior appropriate for the `RELEASE_7` source version.
  AbstractElementVisitor8<R,​P> | A skeletal visitor of program elements with default behavior appropriate for the `RELEASE_8` source version.
  AbstractElementVisitor9<R,​P> | A skeletal visitor of program elements with default behavior appropriate for source versions `RELEASE_9` through `RELEASE_11`.
  AbstractExecutorService | Provides default implementations of `ExecutorService` execution methods.
  AbstractInterruptibleChannel | Base implementation class for interruptible channels.
  AbstractJSObject | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  AbstractLayoutCache | Warning: Serialized objects of this class will not be compatible with future Swing releases.
  AbstractLayoutCache.NodeDimensions | Used by `AbstractLayoutCache` to determine the size and x origin of a particular node.
  AbstractList<E> | This class provides a skeletal implementation of the `List` interface to minimize the effort required to implement this interface backed by a "random access" data store (such as an array).
  AbstractListModel<E> | The abstract definition for the data model that provides a `List` with its contents.
  AbstractMap<K,​V> | This class provides a skeletal implementation of the `Map` interface, to minimize the effort required to implement this interface.
  AbstractMap.SimpleEntry<K,​V> | An Entry maintaining a key and a value.
  AbstractMap.SimpleImmutableEntry<K,​V> | An Entry maintaining an immutable key and value.
  AbstractMethodError | Thrown when an application tries to call an abstract method.
  AbstractMultiResolutionImage | This class provides default implementations of several `Image` methods for classes that want to implement the `MultiResolutionImage` interface.
  AbstractNotificationHandler<T> | A skeletal handler that consumes notifications and continues.
  AbstractOwnableSynchronizer | A synchronizer that may be exclusively owned by a thread.
  AbstractPreferences | This class provides a skeletal implementation of the `Preferences` class, greatly easing the task of implementing it.
  AbstractProcessor | An abstract annotation processor designed to be a convenient superclass for most concrete annotation processors.
  AbstractQueue<E> | This class provides skeletal implementations of some `Queue` operations.
  AbstractQueuedLongSynchronizer | A version of `AbstractQueuedSynchronizer` in which synchronization state is maintained as a `long`.
  AbstractQueuedSynchronizer | Provides a framework for implementing blocking locks and related synchronizers (semaphores, events, etc) that rely on first-in-first-out (FIFO) wait queues.
  AbstractRegionPainter | Convenient base class for defining Painter instances for rendering a region or component in Nimbus.
  AbstractRegionPainter.PaintContext | A class encapsulating state useful when painting.
  AbstractRegionPainter.PaintContext.CacheMode | Cache mode.
  AbstractRelinkableCallSite | A basic implementation of the `RelinkableCallSite` as a `MutableCallSite`.
  AbstractResourceBundleProvider | `AbstractResourceBundleProvider` is an abstract class that provides the basic support for a provider implementation class for `ResourceBundleProvider`.
  AbstractScriptEngine | Provides a standard implementation for several of the variants of the `eval` method.
  AbstractSelectableChannel | Base implementation class for selectable channels.
  AbstractSelectionKey | Base implementation class for selection keys.
  AbstractSelector | Base implementation class for selectors.
  AbstractSequentialList<E> | This class provides a skeletal implementation of the `List` interface to minimize the effort required to implement this interface backed by a "sequential access" data store (such as a linked list).
  AbstractSet<E> | This class provides a skeletal implementation of the `Set` interface to minimize the effort required to implement this interface.
  AbstractSpinnerModel | This class provides the ChangeListener part of the SpinnerModel interface that should be suitable for most concrete SpinnerModel implementations.
  AbstractTableModel | This abstract class provides default implementations for most of the methods in the `TableModel` interface.
  AbstractTypeVisitor6<R,​P> | A skeletal visitor of types with default behavior appropriate for the `RELEASE_6` source version.
  AbstractTypeVisitor7<R,​P> | A skeletal visitor of types with default behavior appropriate for the `RELEASE_7` source version.
  AbstractTypeVisitor8<R,​P> | A skeletal visitor of types with default behavior appropriate for the `RELEASE_8` source version.
  AbstractTypeVisitor9<R,​P> | A skeletal visitor of types with default behavior appropriate for source versions `RELEASE_9` through `RELEASE_11`.
  AbstractUndoableEdit | An abstract implementation of `UndoableEdit`, implementing simple responses to all boolean methods in that interface.
  AbstractView | A base interface that all views shall derive from.
  AbstractWriter | AbstractWriter is an abstract class that actually does the work of writing out the element tree including the attributes.
  AcceptPendingException | Unchecked exception thrown when an attempt is made to initiate an accept operation on a channel and a previous accept operation has not completed.
  AccessControlContext | An AccessControlContext is used to make system resource access decisions based on the context it encapsulates.
  AccessControlException | This exception is thrown by the AccessController to indicate that a requested access (to a critical system resource such as the file system or the network) is denied.
  AccessController | The AccessController class is used for access control operations and decisions.
  AccessDeniedException | Checked exception thrown when a file system operation is denied, typically due to a file permission or other access check.
  AccessException | An `AccessException` is thrown by certain methods of the `java.rmi.Naming` class (specifically `bind`, `rebind`, and `unbind`) and methods of the `java.rmi.activation.ActivationSystem` interface to indicate that the caller does not have permission to perform the action requested by the method call.
  AccessibilityEventMonitor | `AccessibilityEventMonitor` implements a PropertyChange listener on every UI object that implements interface `Accessible` in the Java Virtual Machine.
  AccessibilityListenerList | The `AccessibilityListenerList` is a copy of the Swing `EventListerList` class.
  AccessibilityProvider | Service Provider Interface (SPI) for Assistive Technology.
  Accessible | Provides information on the accessibility of a type or type component.
  Accessible | Interface `Accessible` is the main interface for the accessibility package.
  AccessibleAction | The `AccessibleAction` interface should be supported by any object that can perform one or more actions.
  AccessibleAttributeSequence | This class collects together the span of text that share the same contiguous set of attributes, along with that set of attributes.
  AccessibleBundle | Base class used to maintain a strongly typed enumeration.
  AccessibleComponent | The `AccessibleComponent` interface should be supported by any object that is rendered on the screen.
  AccessibleContext | `AccessibleContext` represents the minimum information all accessible objects return.
  AccessibleEditableText | The `AccessibleEditableText` interface should be implemented by all classes that present editable textual information on the display.
  AccessibleExtendedComponent | The `AccessibleExtendedComponent` interface should be supported by any object that is rendered on the screen.
  AccessibleExtendedTable | Class `AccessibleExtendedTable` provides extended information about a user-interface component that presents data in a two-dimensional table format.
  AccessibleExtendedText | The `AccessibleExtendedText` interface contains additional methods not provided by the `AccessibleText` interface.
  AccessibleHyperlink | Encapsulation of a link, or set of links (e.g. client side imagemap) in a Hypertext document
  AccessibleHypertext | The `AccessibleHypertext` class is the base class for all classes that present hypertext information on the display.
  AccessibleIcon | The `AccessibleIcon` interface should be supported by any object that has an associated icon (e.g., buttons).
  AccessibleKeyBinding | The `AccessibleKeyBinding` interface should be supported by any object that has a keyboard bindings such as a keyboard mnemonic and/or keyboard shortcut which can be used to select the object.
  AccessibleObject | The `AccessibleObject` class is the base class for `Field`, `Method`, and `Constructor` objects (known as reflected objects).
  AccessibleRelation | Class `AccessibleRelation` describes a relation between the object that implements the `AccessibleRelation` and one or more other objects.
  AccessibleRelationSet | Class `AccessibleRelationSet` determines a component's relation set.
  AccessibleResourceBundle | Deprecated. This class is deprecated as of version 1.3 of the Java Platform
  AccessibleRole | Class `AccessibleRole` determines the role of a component.
  AccessibleSelection | This `AccessibleSelection` interface provides the standard mechanism for an assistive technology to determine what the current selected children are, as well as modify the selection set.
  AccessibleState | Class `AccessibleState` describes a component's particular state.
  AccessibleStateSet | Class `AccessibleStateSet` determines a component's state set.
  AccessibleStreamable | The `AccessibleStreamable` interface should be implemented by the `AccessibleContext` of any component that presents the raw stream behind a component on the display screen.
  AccessibleTable | Class `AccessibleTable` describes a user-interface component that presents data in a two-dimensional table format.
  AccessibleTableModelChange | The `AccessibleTableModelChange` interface describes a change to the table model.
  AccessibleText | The `AccessibleText` interface should be implemented by all classes that present textual information on the display.
  AccessibleTextSequence | This class collects together key details of a span of text.
  AccessibleValue | The `AccessibleValue` interface should be supported by any object that supports a numerical value (e.g., a scroll bar).
  AccessMode | Defines access modes used to test the accessibility of a file.
  AccessWatchpointEvent | Notification of a field access in the target VM.
  AccessWatchpointRequest | Request for notification when the contents of a field are accessed in the target VM.
  AccountException | A generic account exception.
  AccountExpiredException | Signals that a user account has expired.
  AccountLockedException | Signals that an account was locked.
  AccountNotFoundException | Signals that an account was not found.
  Acl | Deprecated, for removal: This API element is subject to removal in a future version. This class is deprecated and subject to removal in a future version of Java SE.
  AclEntry | An entry in an access control list (ACL).
  AclEntry | Deprecated, for removal: This API element is subject to removal in a future version. This class is deprecated and subject to removal in a future version of Java SE.
  AclEntry.Builder | A builder of `AclEntry` objects.
  AclEntryFlag | Defines the flags for used by the flags component of an ACL `entry`.
  AclEntryPermission | Defines the permissions for use with the permissions component of an ACL `entry`.
  AclEntryType | A typesafe enumeration of the access control entry types.
  AclFileAttributeView | A file attribute view that supports reading or updating a file's Access Control Lists (ACL) or file owner attributes.
  AclNotFoundException | Deprecated, for removal: This API element is subject to removal in a future version. This class is deprecated and subject to removal in a future version of Java SE.
  Action | The `Action` interface provides a useful extension to the `ActionListener` interface in cases where the same functionality may be accessed by several controls.
  ActionEvent | A semantic event which indicates that a component-defined action occurred.
  ActionListener | The listener interface for receiving action events.
  ActionMap | `ActionMap` provides mappings from `Object`s (called keys or `Action` names) to `Action`s.
  ActionMapUIResource | A subclass of javax.swing.ActionMap that implements UIResource.
  Activatable | The `Activatable` class provides support for remote objects that require persistent access over time and that can be activated by the system.
  ActivateFailedException | This exception is thrown by the RMI runtime when activation fails during a remote call to an activatable object.
  ActivationDesc | An activation descriptor contains the information necessary to activate an object: the object's group identifier, the object's fully-qualified class name, the object's code location (the location of the class), a codebase URL path, the object's restart "mode", and, a "marshalled" object that can contain object specific initialization data.
  ActivationException | General exception used by the activation interfaces.
  ActivationGroup | An `ActivationGroup` is responsible for creating new instances of "activatable" objects in its group, informing its `ActivationMonitor` when either: its object's become active or inactive, or the group as a whole becomes inactive.
  ActivationGroup_Stub | `ActivationGroup_Stub` is a stub class for the subclasses of `java.rmi.activation.ActivationGroup` that are exported as a `java.rmi.server.UnicastRemoteObject`.
  ActivationGroupDesc | An activation group descriptor contains the information necessary to create/recreate an activation group in which to activate objects.
  ActivationGroupDesc.CommandEnvironment | Startup options for ActivationGroup implementations.
  ActivationGroupID | The identifier for a registered activation group serves several purposes: identifies the group uniquely within the activation system, and contains a reference to the group's activation system so that the group can contact its activation system when necessary.
  ActivationID | Activation makes use of special identifiers to denote remote objects that can be activated over time.
  ActivationInstantiator | An `ActivationInstantiator` is responsible for creating instances of "activatable" objects.
  ActivationMonitor | An `ActivationMonitor` is specific to an `ActivationGroup` and is obtained when a group is reported active via a call to `ActivationSystem.activeGroup` (this is done internally).
  ActivationSystem | The `ActivationSystem` provides a means for registering groups and "activatable" objects to be activated within those groups.
  Activator | The `Activator` facilitates remote object activation.
  ActiveEvent | An interface for events that know how to dispatch themselves.
  Adjustable | The interface for objects which have an adjustable numeric value contained within a bounded range of values.
  AdjustmentEvent | The adjustment event emitted by Adjustable objects like `Scrollbar` and `ScrollPane`.
  AdjustmentListener | The listener interface for receiving adjustment events.
  Adler32 | A class that can be used to compute the Adler-32 checksum of a data stream.
  AEADBadTagException | This exception is thrown when a `Cipher` operating in an AEAD mode (such as GCM/CCM) is unable to verify the supplied authentication tag.
  AffineTransform | The `AffineTransform` class represents a 2D affine transform that performs a linear mapping from 2D coordinates to other 2D coordinates that preserves the "straightness" and "parallelness" of lines.
  AffineTransformOp | This class uses an affine transform to perform a linear mapping from 2D coordinates in the source image or `Raster` to 2D coordinates in the destination image or `Raster`.
  AgentInitializationException | The exception thrown when an agent fails to initialize in the target Java virtual machine.
  AgentLoadException | The exception thrown when an agent cannot be loaded into the target Java virtual machine.
  AlgorithmConstraints | This interface specifies constraints for cryptographic algorithms, keys (key sizes), and other algorithm parameters.
  AlgorithmMethod | An abstract representation of an algorithm defined in the XML Security specifications.
  AlgorithmParameterGenerator | The `AlgorithmParameterGenerator` class is used to generate a set of parameters to be used with a certain algorithm.
  AlgorithmParameterGeneratorSpi | This class defines the Service Provider Interface (SPI) for the `AlgorithmParameterGenerator` class, which is used to generate a set of parameters to be used with a certain algorithm.
  AlgorithmParameters | This class is used as an opaque representation of cryptographic parameters.
  AlgorithmParameterSpec | A (transparent) specification of cryptographic parameters.
  AlgorithmParametersSpi | This class defines the Service Provider Interface (SPI) for the `AlgorithmParameters` class, which is used to manage algorithm parameters.
  AllPermission | The AllPermission is a permission that implies all other permissions.
  AlphaComposite | The `AlphaComposite` class implements basic alpha compositing rules for combining source and destination colors to achieve blending and transparency effects with graphics and images.
  AlreadyBoundException | Unchecked exception thrown when an attempt is made to bind the socket a network oriented channel that is already bound.
  AlreadyBoundException | An `AlreadyBoundException` is thrown if an attempt is made to bind an object in the registry to a name that already has an associated binding.
  AlreadyConnectedException | Unchecked exception thrown when an attempt is made to connect a `SocketChannel` that is already connected.
  AncestorEvent | An event reported to a child component that originated from an ancestor in the component hierarchy.
  AncestorListener | AncestorListener Interface to support notification when changes occur to a JComponent or one of its ancestors.
  AnnotatedArrayType | `AnnotatedArrayType` represents the potentially annotated use of an array type, whose component type may itself represent the annotated use of a type.
  AnnotatedConstruct | Represents a construct that can be annotated.
  AnnotatedElement | Represents an annotated element of the program currently running in this VM.
  AnnotatedParameterizedType | `AnnotatedParameterizedType` represents the potentially annotated use of a parameterized type, whose type arguments may themselves represent annotated uses of types.
  AnnotatedType | Deprecated, for removal: This API element is subject to removal in a future version. The declarations in this package have been superseded by those in the package `jdk.javadoc.doclet`.
  AnnotatedType | `AnnotatedType` represents the potentially annotated use of a type in the program currently running in this VM.
  AnnotatedTypeTree | A tree node for an annotated type.
  AnnotatedTypeVariable | `AnnotatedTypeVariable` represents the potentially annotated use of a type variable, whose declaration may have bounds which themselves represent annotated uses of types.
  AnnotatedWildcardType | `AnnotatedWildcardType` represents the potentially annotated use of a wildcard type argument, whose upper or lower bounds may themselves represent annotated uses of types.
  Annotation | The common interface extended by all annotation types.
  Annotation | An Annotation object is used as a wrapper for a text attribute value if the attribute has annotation characteristics.
  AnnotationDesc | Deprecated, for removal: This API element is subject to removal in a future version. The declarations in this package have been superseded by those in the package `jdk.javadoc.doclet`.
  AnnotationDesc.ElementValuePair | Deprecated, for removal: This API element is subject to removal in a future version. The declarations in this package have been superseded by those in the package `jdk.javadoc.doclet`.
  AnnotationElement | Describes event metadata, such as labels, descriptions and units.
  AnnotationFormatError | Thrown when the annotation parser attempts to read an annotation from a class file and determines that the annotation is malformed.
  AnnotationMirror | Represents an annotation.
  AnnotationTree | A tree node for an annotation.
  AnnotationTypeDoc | Deprecated, for removal: This API element is subject to removal in a future version. The declarations in this package have been superseded by those in the package `jdk.javadoc.doclet`.
  AnnotationTypeElementDoc | Deprecated, for removal: This API element is subject to removal in a future version. The declarations in this package have been superseded by those in the package `jdk.javadoc.doclet`.
  AnnotationTypeMismatchException | Thrown to indicate that a program has attempted to access an element of an annotation whose type has changed after the annotation was compiled (or serialized).
  AnnotationValue | Deprecated, for removal: This API element is subject to removal in a future version. The declarations in this package have been superseded by those in the package `jdk.javadoc.doclet`.
  AnnotationValue | Represents a value of an annotation type element.
  AnnotationValueVisitor<R,​P> | A visitor of the values of annotation type elements, using a variant of the visitor design pattern.
  AppConfigurationEntry | This class represents a single `LoginModule` entry configured for the application specified in the `getAppConfigurationEntry(String appName)` method in the `Configuration` class.
  AppConfigurationEntry.LoginModuleControlFlag | This class represents whether or not a `LoginModule` is REQUIRED, REQUISITE, SUFFICIENT or OPTIONAL.
  Appendable | An object to which `char` sequences and values can be appended.
  AppEvent | AppEvents are sent to listeners and handlers installed on the `Desktop` instance of the current desktop context.
  AppForegroundEvent | Event sent when the application has become the foreground app, and when it is no longer the foreground app.
  AppForegroundListener | Implementors are notified when the app becomes the foreground app and when it is no longer the foreground app.
  AppHiddenEvent | Event sent when the application has been hidden or shown.
  AppHiddenListener | Implementors are notified when the app is hidden or shown by the user.
  Applet | Deprecated. The Applet API is deprecated, no replacement.
  AppletContext | Deprecated. The Applet API is deprecated, no replacement.
  AppletInitializer | Deprecated. The Applet API is deprecated.
  AppletStub | Deprecated. The Applet API is deprecated, no replacement.
  AppReopenedEvent | Event sent when the application is asked to re-open itself.
  AppReopenedListener | Implementors receive notification when the app has been asked to open again.
  Arc2D | `Arc2D` is the abstract superclass for all objects that store a 2D arc defined by a framing rectangle, start angle, angular extent (length of the arc), and a closure type (`OPEN`, `CHORD`, or `PIE`).
  Arc2D.Double | This class defines an arc specified in `double` precision.
  Arc2D.Float | This class defines an arc specified in `float` precision.
  Area | An `Area` object stores and manipulates a resolution-independent description of an enclosed area of 2-dimensional space.
  AreaAveragingScaleFilter | An ImageFilter class for scaling images using a simple area averaging algorithm that produces smoother results than the nearest neighbor algorithm.
  ArithmeticException | Thrown when an exceptional arithmetic condition has occurred.
  Array | The `Array` class provides static methods to dynamically create and access Java arrays.
  Array | The mapping in the Java programming language for the SQL type `ARRAY`.
  ArrayAccessTree | A tree node for an array access expression.
  ArrayAccessTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  ArrayBlockingQueue<E> | A bounded blocking queue backed by an array.
  ArrayDeque<E> | Resizable-array implementation of the `Deque` interface.
  ArrayIndexOutOfBoundsException | Thrown to indicate that an array has been accessed with an illegal index.
  ArrayList<E> | Resizable-array implementation of the `List` interface.
  ArrayLiteralTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  ArrayReference | Provides access to an array object and its components in the target VM.
  Arrays | This class contains various methods for manipulating arrays (such as sorting and searching).
  ArrayStoreException | Thrown to indicate that an attempt has been made to store the wrong type of object into an array of objects.
  ArrayType | Provides access to the class of an array and the type of its components in the target VM.
  ArrayType | Represents an array type.
  ArrayType<T> | The `ArrayType` class is the open type class whose instances describe all open data values which are n-dimensional arrays of open data values.
  ArrayTypeTree | A tree node for an array type.
  AssertionError | Thrown to indicate that an assertion has failed.
  AssertTree | A tree node for an `assert` statement.
  AssignmentTree | A tree node for an assignment expression.
  AssignmentTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  Association | A class that represents an SCTP association.
  AssociationChangeNotification | Notification emitted when an association has either opened or closed.
  AssociationChangeNotification.AssocChangeEvent | Defines the type of change event that happened to the association.
  AsyncBoxView | A box that does layout asynchronously.
  AsynchronousByteChannel | An asynchronous channel that can read and write bytes.
  AsynchronousChannel | A channel that supports asynchronous I/O operations.
  AsynchronousChannelGroup | A grouping of asynchronous channels for the purpose of resource sharing.
  AsynchronousChannelProvider | Service-provider class for asynchronous channels.
  AsynchronousCloseException | Checked exception received by a thread when another thread closes the channel or the part of the channel upon which it is blocked in an I/O operation.
  AsynchronousFileChannel | An asynchronous channel for reading, writing, and manipulating a file.
  AsynchronousServerSocketChannel | An asynchronous channel for stream-oriented listening sockets.
  AsynchronousSocketChannel | An asynchronous channel for stream-oriented connecting sockets.
  AtomicBoolean | A `boolean` value that may be updated atomically.
  AtomicInteger | An `int` value that may be updated atomically.
  AtomicIntegerArray | An `int` array in which elements may be updated atomically.
  AtomicIntegerFieldUpdater<T> | A reflection-based utility that enables atomic updates to designated `volatile int` fields of designated classes.
  AtomicLong | A `long` value that may be updated atomically.
  AtomicLongArray | A `long` array in which elements may be updated atomically.
  AtomicLongFieldUpdater<T> | A reflection-based utility that enables atomic updates to designated `volatile long` fields of designated classes.
  AtomicMarkableReference<V> | An `AtomicMarkableReference` maintains an object reference along with a mark bit, that can be updated atomically.
  AtomicMoveNotSupportedException | Checked exception thrown when a file cannot be moved as an atomic file system operation.
  AtomicReference<V> | An object reference that may be updated atomically.
  AtomicReferenceArray<E> | An array of object references in which elements may be updated atomically.
  AtomicReferenceFieldUpdater<T,​V> | A reflection-based utility that enables atomic updates to designated `volatile` reference fields of designated classes.
  AtomicStampedReference<V> | An `AtomicStampedReference` maintains an object reference along with an integer "stamp", that can be updated atomically.
  ATR | A Smart Card's answer-to-reset bytes.
  AttachingConnector | A connector which attaches to a previously running target VM.
  AttachNotSupportedException | Thrown by `VirtualMachine.attach` when attempting to attach to a Java virtual machine for which a compatible `AttachProvider` does not exist.
  AttachOperationFailedException | Exception type to signal that an attach operation failed in the target VM.
  AttachPermission | When a `SecurityManager` set, this is the permission which will be checked when code invokes `VirtualMachine.attach` to attach to a target virtual machine.
  AttachProvider | Attach provider class for attaching to a Java virtual machine.
  Attr | The `Attr` interface represents an attribute in an `Element` object.
  Attribute | Represents an MBean attribute by associating its name with its value.
  Attribute | This interface represents an attribute associated with a named object.
  Attribute | Interface `Attribute` is the base interface implemented by any and every printing attribute class to indicate that the class represents a printing attribute.
  Attribute | An interface that contains information about an attribute.
  AttributeChangeNotification | Provides definitions of the attribute change notifications sent by MBeans.
  AttributeChangeNotificationFilter | This class implements of the `NotificationFilter` interface for the `attribute change notification`.
  AttributedCharacterIterator | An `AttributedCharacterIterator` allows iteration through both text and related attribute information.
  AttributedCharacterIterator.Attribute | Defines attribute keys that are used to identify text attributes.
  AttributedString | An AttributedString holds text and related attribute information.
  AttributeException | Interface `AttributeException` is a mixin interface which a subclass of `PrintException` can implement to report an error condition involving one or more printing attributes that a particular Print Service instance does not support.
  AttributeInUseException | This exception is thrown when an operation attempts to add an attribute that already exists.
  AttributeList | Represents a list of values for attributes of an MBean.
  AttributeList | This class defines the attributes of an SGML element as described in a DTD using the ATTLIST construct.
  AttributeList | Deprecated. This interface has been replaced by the SAX2 `Attributes` interface, which includes Namespace support.
  AttributeListImpl | Deprecated. This class implements a deprecated interface, `AttributeList`; that interface has been replaced by `Attributes`, which is implemented in the `AttributesImpl` helper class.
  AttributeModificationException | This exception is thrown when an attempt is made to add, or remove, or modify an attribute, its identifier, or its values that conflicts with the attribute's (schema) definition or the attribute's state.
  AttributeNotFoundException | The specified attribute does not exist or cannot be retrieved.
  Attributes | The Attributes class maps Manifest attribute names to associated string values.
  Attributes | This interface represents a collection of attributes.
  Attributes | Interface for a list of XML attributes.
  Attributes.Name | The Attributes.Name class represents an attribute name stored in this Map.
  Attributes2 | SAX2 extension to augment the per-attribute information provided though `Attributes`.
  Attributes2Impl | SAX2 extension helper for additional Attributes information, implementing the `Attributes2` interface.
  AttributeSet | Interface `AttributeSet` specifies the interface for a set of printing attributes.
  AttributeSet | A collection of unique attributes.
  AttributeSet.CharacterAttribute | This interface is the type signature that is expected to be present on any attribute key that contributes to character level presentation.
  AttributeSet.ColorAttribute | This interface is the type signature that is expected to be present on any attribute key that contributes to presentation of color.
  AttributeSet.FontAttribute | This interface is the type signature that is expected to be present on any attribute key that contributes to the determination of what font to use to render some text.
  AttributeSet.ParagraphAttribute | This interface is the type signature that is expected to be present on any attribute key that contributes to the paragraph level presentation.
  AttributeSetUtilities | Class `AttributeSetUtilities` provides static methods for manipulating `AttributeSets`.
  AttributesImpl | Default implementation of the Attributes interface.
  AttributeTree | A tree node for an attribute in an HTML element.
  AttributeTree.ValueKind | The kind of an attribute value.
  AttributeValueExp | Represents attributes used as arguments to relational constraints.
  AttributeView | An object that provides a read-only or updatable view of non-opaque values associated with an object in a filesystem.
  AudioClip | Deprecated. The Applet API is deprecated, no replacement.
  AudioFileFormat | An instance of the `AudioFileFormat` class describes an audio file, including the file type, the file's length in bytes, the length in sample frames of the audio data contained in the file, and the format of the audio data.
  AudioFileFormat.Type | An instance of the `Type` class represents one of the standard types of audio file.
  AudioFileReader | Provider for audio file reading services.
  AudioFileWriter | Provider for audio file writing services.
  AudioFormat | `AudioFormat` is the class that specifies a particular arrangement of data in a sound stream.
  AudioFormat.Encoding | The `Encoding` class names the specific type of data representation used for an audio stream.
  AudioInputStream | An audio input stream is an input stream with a specified audio format and length.
  AudioPermission | The `AudioPermission` class represents access rights to the audio system resources.
  AudioSystem | The `AudioSystem` class acts as the entry point to the sampled-audio system resources.
  AuthenticationException | This exception is thrown when an authentication error occurs while accessing the naming or directory service.
  AuthenticationException | This exception is thrown by a SASL mechanism implementation to indicate that the SASL exchange has failed due to reasons related to authentication, such as an invalid identity, passphrase, or key.
  AuthenticationNotSupportedException | This exception is thrown when the particular flavor of authentication requested is not supported.
  Authenticator | Authenticator represents an implementation of an HTTP authentication mechanism.
  Authenticator | The class Authenticator represents an object that knows how to obtain authentication for a network connection.
  Authenticator.Failure | Indicates an authentication failure.
  Authenticator.RequestorType | The type of the entity requesting authentication.
  Authenticator.Result | Base class for return type from authenticate() method
  Authenticator.Retry | Indicates an authentication must be retried.
  Authenticator.Success | Indicates an authentication has succeeded and the authenticated user principal can be acquired by calling getPrincipal().
  AuthorizationDataEntry | Kerberos 5 AuthorizationData entry.
  AuthorizeCallback | This callback is used by `SaslServer` to determine whether one entity (identified by an authenticated authentication id) can act on behalf of another entity (identified by an authorization id).
  AuthorTree | A tree node for an @author block tag.
  AuthPermission | This class is for authentication permissions.
  AuthProvider | This class defines login and logout methods for a provider.
  AutoCloseable | An object that may hold resources (such as file or socket handles) until it is closed.
  Autoscroll | During DnD operations it is possible that a user may wish to drop the subject of the operation on a region of a scrollable GUI control that is not currently visible to the user.
  AWTError | Thrown when a serious Abstract Window Toolkit error has occurred.
  AWTEvent | The root event class for all AWT events.
  AWTEventListener | The listener interface for receiving notification of events dispatched to objects that are instances of Component or MenuComponent or their subclasses.
  AWTEventListenerProxy | A class which extends the `EventListenerProxy` specifically for adding an `AWTEventListener` for a specific event mask.
  AWTEventMonitor | The `AWTEventMonitor` implements a suite of listeners that are conditionally installed on every AWT component instance in the Java Virtual Machine.
  AWTEventMulticaster | `AWTEventMulticaster` implements efficient and thread-safe multi-cast event dispatching for the AWT events defined in the `java.awt.event` package.
  AWTException | Signals that an Abstract Window Toolkit exception has occurred.
  AWTKeyStroke | An `AWTKeyStroke` represents a key action on the keyboard, or equivalent input device.
  AWTPermission | This class is for AWT permissions.
  BackingStoreException | Thrown to indicate that a preferences operation could not complete because of a failure in the backing store, or a failure to contact the backing store.
  BadAttributeValueExpException | Thrown when an invalid MBean attribute is passed to a query constructing method.
  BadBinaryOpValueExpException | Thrown when an invalid expression is passed to a method for constructing a query.
  BadLocationException | This exception is to report bad locations within a document model (that is, attempts to reference a location that doesn't exist).
  BadPaddingException | This exception is thrown when a particular padding mechanism is expected for the input data but the data is not padded properly.
  BadStringOperationException | Thrown when an invalid string operation is passed to a method for constructing a query.
  BandCombineOp | This class performs an arbitrary linear combination of the bands in a `Raster`, using a specified matrix.
  BandedSampleModel | This class represents image data which is stored in a band interleaved fashion and for which each sample of a pixel occupies one data element of the DataBuffer.
  Base64 | This class consists exclusively of static methods for obtaining encoders and decoders for the Base64 encoding scheme.
  Base64.Decoder | This class implements a decoder for decoding byte data using the Base64 encoding scheme as specified in RFC 4648 and RFC 2045.
  Base64.Encoder | This class implements an encoder for encoding byte data using the Base64 encoding scheme as specified in RFC 4648 and RFC 2045.
  BaselineTIFFTagSet | A class representing the set of tags found in the baseline TIFF specification as well as some common additional tags.
  BaseMultiResolutionImage | This class is an array-based implementation of the `AbstractMultiResolutionImage` class.
  BaseRowSet | An abstract class providing a `RowSet` object with its basic functionality.
  BaseStream<T,​S extends BaseStream<T,​S>> | Base interface for streams, which are sequences of elements supporting sequential and parallel aggregate operations.
  BasicArrowButton | JButton object that draws a scaled Arrow in one of the cardinal directions.
  BasicAttribute | This class provides a basic implementation of the `Attribute` interface.
  BasicAttributes | This class provides a basic implementation of the Attributes interface.
  BasicAuthenticator | BasicAuthenticator provides an implementation of HTTP Basic authentication.
  BasicBorders | Factory object that can vend Borders appropriate for the basic L & F.
  BasicBorders.ButtonBorder | Draws a border around a button.
  BasicBorders.FieldBorder | Draws the border around a field.
  BasicBorders.MarginBorder | Draws the border around components which support margins.
  BasicBorders.MenuBarBorder | Draws the border around a menu bar.
  BasicBorders.RadioButtonBorder | Draws the border around a radio button.
  BasicBorders.RolloverButtonBorder | Special thin border for rollover toolbar buttons.
  BasicBorders.SplitPaneBorder | Draws the border around the splitpane.
  BasicBorders.ToggleButtonBorder | Draws the border around a toggle button.
  BasicButtonListener | Button Listener
  BasicButtonUI | BasicButton implementation
  BasicCheckBoxMenuItemUI | BasicCheckboxMenuItem implementation
  BasicCheckBoxUI | CheckboxUI implementation for BasicCheckboxUI
  BasicColorChooserUI | Provides the basic look and feel for a JColorChooser.
  BasicComboBoxEditor | The default editor for editable combo boxes.
  BasicComboBoxEditor.UIResource | A subclass of BasicComboBoxEditor that implements UIResource.
  BasicComboBoxRenderer | ComboBox renderer
  BasicComboBoxRenderer.UIResource | A subclass of BasicComboBoxRenderer that implements UIResource.
  BasicComboBoxUI | Basic UI implementation for JComboBox.
  BasicComboPopup | This is a basic implementation of the `ComboPopup` interface.
  BasicControl | This class provides a basic implementation of the `Control` interface.
  BasicDesktopIconUI | Basic L&F for a minimized window on a desktop.
  BasicDesktopPaneUI | Basic L&F for a desktop.
  BasicDirectoryModel | Basic implementation of a file list.
  BasicEditorPaneUI | Provides the look and feel for a JEditorPane.
  BasicFileAttributes | Basic attributes associated with a file in a file system.
  BasicFileAttributeView | A file attribute view that provides a view of a basic set of file attributes common to many file systems.
  BasicFileChooserUI | Basic L&F implementation of a FileChooser.
  BasicFormattedTextFieldUI | Provides the look and feel implementation for `JFormattedTextField`.
  BasicGraphicsUtils | Convenient util class.
  BasicHTML | Support for providing html views for the swing components.
  BasicIconFactory | Factory object that can vend Icons appropriate for the basic L & F.
  BasicInternalFrameTitlePane | The class that manages a basic title bar
  BasicInternalFrameUI | A basic L&F implementation of JInternalFrame.
  BasicLabelUI | A Windows L&F implementation of LabelUI.
  BasicListUI | An extensible implementation of `ListUI`.
  BasicLookAndFeel | A base class to use in creating a look and feel for Swing.
  BasicMenuBarUI | A default L&F implementation of MenuBarUI.
  BasicMenuItemUI | BasicMenuItem implementation
  BasicMenuUI | A default L&F implementation of MenuUI.
  BasicOptionPaneUI | Provides the basic look and feel for a `JOptionPane`.
  BasicOptionPaneUI.ButtonAreaLayout | `ButtonAreaLayout` behaves in a similar manner to `FlowLayout`.
  BasicPanelUI | BasicPanel implementation
  BasicPasswordFieldUI | Provides the Windows look and feel for a password field.
  BasicPermission | The BasicPermission class extends the Permission class, and can be used as the base class for permissions that want to follow the same naming convention as BasicPermission.
  BasicPopupMenuSeparatorUI | A Basic L&F implementation of PopupMenuSeparatorUI.
  BasicPopupMenuUI | A Windows L&F implementation of PopupMenuUI.
  BasicProgressBarUI | A Basic L&F implementation of ProgressBarUI.
  BasicRadioButtonMenuItemUI | BasicRadioButtonMenuItem implementation
  BasicRadioButtonUI | RadioButtonUI implementation for BasicRadioButtonUI
  BasicRootPaneUI | Basic implementation of RootPaneUI, there is one shared between all JRootPane instances.
  BasicScrollBarUI | Implementation of ScrollBarUI for the Basic Look and Feel
  BasicScrollPaneUI | A default L&F implementation of ScrollPaneUI.
  BasicSeparatorUI | A Basic L&F implementation of SeparatorUI.
  BasicSliderUI | A Basic L&F implementation of SliderUI.
  BasicSpinnerUI | The default Spinner UI delegate.
  BasicSplitPaneDivider | Divider used by BasicSplitPaneUI.
  BasicSplitPaneUI | A Basic L&F implementation of the SplitPaneUI.
  BasicStroke | The `BasicStroke` class defines a basic set of rendering attributes for the outlines of graphics primitives, which are rendered with a `Graphics2D` object that has its Stroke attribute set to this `BasicStroke`.
  BasicTabbedPaneUI | A Basic L&F implementation of TabbedPaneUI.
  BasicTableHeaderUI | BasicTableHeaderUI implementation
  BasicTableUI | BasicTableUI implementation
  BasicTextAreaUI | Provides the look and feel for a plain text editor.
  BasicTextFieldUI | Basis of a look and feel for a JTextField.
  BasicTextPaneUI | Provides the look and feel for a styled text editor.
  BasicTextUI | Basis of a text components look-and-feel.
  BasicTextUI.BasicCaret | Default implementation of the interface `Caret`.
  BasicTextUI.BasicHighlighter | Default implementation of the interface `Highlighter`.
  BasicToggleButtonUI | BasicToggleButton implementation
  BasicToolBarSeparatorUI | A Basic L&F implementation of ToolBarSeparatorUI.
  BasicToolBarUI | A Basic L&F implementation of ToolBarUI.
  BasicToolTipUI | Standard tool tip L&F.
  BasicTreeUI | The basic L&F for a hierarchical data structure.
  BasicViewportUI | BasicViewport implementation
  BatchUpdateException | The subclass of `SQLException` thrown when an error occurs during a batch update operation.
  BeanContext | The BeanContext acts a logical hierarchical container for JavaBeans.
  BeanContextChild | JavaBeans wishing to be nested within, and obtain a reference to their execution environment, or context, as defined by the BeanContext sub-interface shall implement this interface.
  BeanContextChildComponentProxy | This interface is implemented by `BeanContextChildren` that have an AWT `Component` associated with them.
  BeanContextChildSupport | This is a general support class to provide support for implementing the BeanContextChild protocol.
  BeanContextContainerProxy | This interface is implemented by BeanContexts' that have an AWT Container associated with them.
  BeanContextEvent | `BeanContextEvent` is the abstract root event class for all events emitted from, and pertaining to the semantics of, a `BeanContext`.
  BeanContextMembershipEvent | A `BeanContextMembershipEvent` encapsulates the list of children added to, or removed from, the membership of a particular `BeanContext`.
  BeanContextMembershipListener | Compliant BeanContexts fire events on this interface when the state of the membership of the BeanContext changes.
  BeanContextProxy | This interface is implemented by a JavaBean that does not directly have a BeanContext(Child) associated with it (via implementing that interface or a subinterface thereof), but has a public BeanContext(Child) delegated from it.
  BeanContextServiceAvailableEvent | This event type is used by the BeanContextServicesListener in order to identify the service being registered.
  BeanContextServiceProvider | One of the primary functions of a BeanContext is to act a as rendezvous between JavaBeans, and BeanContextServiceProviders.
  BeanContextServiceProviderBeanInfo | A BeanContextServiceProvider implementor who wishes to provide explicit information about the services their bean may provide shall implement a BeanInfo class that implements this BeanInfo subinterface and provides explicit information about the methods, properties, events, etc, of their services.
  BeanContextServiceRevokedEvent | This event type is used by the `BeanContextServiceRevokedListener` in order to identify the service being revoked.
  BeanContextServiceRevokedListener | The listener interface for receiving `BeanContextServiceRevokedEvent` objects.
  BeanContextServices | The BeanContextServices interface provides a mechanism for a BeanContext to expose generic "services" to the BeanContextChild objects within.
  BeanContextServicesListener | The listener interface for receiving `BeanContextServiceAvailableEvent` objects.
  BeanContextServicesSupport | This helper class provides a utility implementation of the java.beans.beancontext.BeanContextServices interface.
  BeanContextServicesSupport.BCSSServiceProvider | subclasses may subclass this nested class to add behaviors for each BeanContextServicesProvider.
  BeanContextSupport | This helper class provides a utility implementation of the java.beans.beancontext.BeanContext interface.
  BeanContextSupport.BCSIterator | protected final subclass that encapsulates an iterator but implements a noop remove() method.
  BeanDescriptor | A BeanDescriptor provides global information about a "bean", including its Java class, its displayName, etc.
  BeanInfo | Use the `BeanInfo` interface to create a `BeanInfo` class and provide explicit information about the methods, properties, events, and other features of your beans.
  BeanProperty | An annotation used to specify some property-related information for the automatically generated `BeanInfo` classes.
  Beans | This class provides some general purpose beans control methods.
  BeansLinker | A linker for ordinary Java objects.
  BevelBorder | A class which implements a simple two-line bevel border.
  BiConsumer<T,​U> | Represents an operation that accepts two input arguments and returns no result.
  Bidi | This class implements the Unicode Bidirectional Algorithm.
  BiFunction<T,​U,​R> | Represents a function that accepts two arguments and produces a result.
  BigDecimal | Immutable, arbitrary-precision signed decimal numbers.
  BigInteger | Immutable arbitrary-precision integers.
  BinaryOperator<T> | Represents an operation upon two operands of the same type, producing a result of the same type as the operands.
  BinaryRefAddr | This class represents the binary form of the address of a communications end-point.
  BinaryTree | A tree node for a binary expression.
  BinaryTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  BindException | Signals that an error occurred while attempting to bind a socket to a local address and port.
  Binding | This class represents a name-to-object binding found in a context.
  Bindings | A mapping of key/value pairs, all of whose keys are `Strings`.
  BiPredicate<T,​U> | Represents a predicate (boolean-valued function) of two arguments.
  BitSet | This class implements a vector of bits that grows as needed.
  Blob | The representation (mapping) in the Java™ programming language of an SQL `BLOB` value.
  BlockingDeque<E> | A `Deque` that additionally supports blocking operations that wait for the deque to become non-empty when retrieving an element, and wait for space to become available in the deque when storing an element.
  BlockingQueue<E> | A `Queue` that additionally supports operations that wait for the queue to become non-empty when retrieving an element, and wait for space to become available in the queue when storing an element.
  BlockTagTree | A tree node used as the base class for the different types of block tags.
  BlockTree | A tree node for a statement block.
  BlockTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  BlockView | A view implementation to display a block (as a box) with CSS specifications.
  BMPImageWriteParam | A subclass of `ImageWriteParam` for encoding images in the BMP format.
  Book | The `Book` class provides a representation of a document in which pages may have different page formats and page painters.
  Boolean | The Boolean class wraps a value of the primitive type `boolean` in an object.
  BooleanControl | A `BooleanControl` provides the ability to switch between two possible settings that affect a line's audio.
  BooleanControl.Type | An instance of the `BooleanControl.Type` class identifies one kind of boolean control.
  BooleanFlag | Event field annotation, specifies that the value is a boolean flag, a `true` or `false` value
  BooleanSupplier | Represents a supplier of `boolean`-valued results.
  BooleanType | The type of all primitive `boolean` values accessed in the target VM.
  BooleanValue | Provides access to a primitive `boolean` value in the target VM.
  Bootstrap | Initial class that provides access to the default implementation of JDI interfaces.
  BootstrapMethodError | Thrown to indicate that an `invokedynamic` instruction or a dynamic constant failed to resolve its bootstrap method and arguments, or for `invokedynamic` instruction the bootstrap method has failed to provide a call site with a target of the correct method type, or for a dynamic constant the bootstrap method has failed to provide a constant value of the required type.
  Border | Interface describing an object capable of rendering a border around the edges of a swing component.
  BorderFactory | Factory class for vending standard `Border` objects.
  BorderLayout | A border layout lays out a container, arranging and resizing its components to fit in five regions: north, south, east, west, and center.
  BorderUIResource | A Border wrapper class which implements UIResource.
  BorderUIResource.BevelBorderUIResource | A bevel border UI resource.
  BorderUIResource.CompoundBorderUIResource | A compound border UI resource.
  BorderUIResource.EmptyBorderUIResource | An empty border UI resource.
  BorderUIResource.EtchedBorderUIResource | An etched border UI resource.
  BorderUIResource.LineBorderUIResource | A line border UI resource.
  BorderUIResource.MatteBorderUIResource | A matte border UI resource.
  BorderUIResource.TitledBorderUIResource | A titled border UI resource.
  BoundedRangeModel | Defines the data model used by components like `Slider`s and `ProgressBar`s.
  Box | A lightweight container that uses a BoxLayout object as its layout manager.
  Box.Filler | An implementation of a lightweight component that participates in layout but has no view.
  BoxLayout | A layout manager that allows multiple components to be laid out either vertically or horizontally.
  BoxView | A view that arranges its children into a box shape by tiling its children along an axis.
  BreakIterator | The `BreakIterator` class implements methods for finding the location of boundaries in text.
  BreakIteratorProvider | An abstract class for service providers that provide concrete implementations of the `BreakIterator` class.
  BreakpointEvent | Notification of a breakpoint in the target VM.
  BreakpointRequest | Identifies a `Location` in the target VM at which execution should be stopped.
  BreakTree | A tree node for a `break` statement.
  BreakTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  BrokenBarrierException | Exception thrown when a thread tries to wait upon a barrier that is in a broken state, or which enters the broken state while the thread is waiting.
  Buffer | A container for data of a specific primitive type.
  BufferCapabilities | Capabilities and properties of buffers.
  BufferCapabilities.FlipContents | A type-safe enumeration of the possible back buffer contents after page-flipping
  BufferedImage | The `BufferedImage` subclass describes an `Image` with an accessible buffer of image data.
  BufferedImageFilter | The `BufferedImageFilter` class subclasses an `ImageFilter` to provide a simple means of using a single-source/single-destination image operator (`BufferedImageOp`) to filter a `BufferedImage` in the Image Producer/Consumer/Observer paradigm.
  BufferedImageOp | This interface describes single-input/single-output operations performed on `BufferedImage` objects.
  BufferedInputStream | A `BufferedInputStream` adds functionality to another input stream-namely, the ability to buffer the input and to support the `mark` and `reset` methods.
  BufferedOutputStream | The class implements a buffered output stream.
  BufferedReader | Reads text from a character-input stream, buffering characters so as to provide for the efficient reading of characters, arrays, and lines.
  BufferedWriter | Writes text to a character-output stream, buffering characters so as to provide for the efficient writing of single characters, arrays, and strings.
  BufferOverflowException | Unchecked exception thrown when a relative put operation reaches the target buffer's limit.
  BufferPoolMXBean | The management interface for a buffer pool, for example a pool of `direct` or `mapped` buffers.
  BufferStrategy | The `BufferStrategy` class represents the mechanism with which to organize complex memory on a particular `Canvas` or `Window`.
  BufferUnderflowException | Unchecked exception thrown when a relative get operation reaches the source buffer's limit.
  Button | This class creates a labeled button.
  ButtonGroup | This class is used to create a multiple-exclusion scope for a set of buttons.
  ButtonModel | State model for buttons.
  ButtonUI | Pluggable look and feel interface for JButton.
  Byte | The `Byte` class wraps a value of primitive type `byte` in an object.
  ByteArrayInputStream | A `ByteArrayInputStream` contains an internal buffer that contains bytes that may be read from the stream.
  ByteArrayOutputStream | This class implements an output stream in which the data is written into a byte array.
  ByteBuffer | A byte buffer.
  ByteChannel | A channel that can read and write bytes.
  ByteLookupTable | This class defines a lookup table object.
  ByteOrder | A typesafe enumeration for byte orders.
  ByteType | The type of all primitive byte values accessed in the target VM.
  ByteValue | Provides access to a primitive `byte` value in the target VM.
  C14NMethodParameterSpec | A specification of algorithm parameters for a `CanonicalizationMethod` Algorithm.
  CachedRowSet | The interface that all standard implementations of `CachedRowSet` must implement.
  CacheRequest | Represents channels for storing resources in the ResponseCache.
  CacheResponse | Represent channels for retrieving resources from the ResponseCache.
  Calendar | The `Calendar` class is an abstract class that provides methods for converting between a specific instant in time and a set of `calendar fields` such as `YEAR`, `MONTH`, `DAY_OF_MONTH`, `HOUR`, and so on, and for manipulating the calendar fields, such as getting the date of the next week.
  Calendar.Builder | `Calendar.Builder` is used for creating a `Calendar` from various date-time parameters.
  CalendarDataProvider | An abstract class for service providers that provide locale-dependent `Calendar` parameters.
  CalendarNameProvider | An abstract class for service providers that provide localized string representations (display names) of `Calendar` field values.
  Callable<V> | A task that returns a result and may throw an exception.
  CallableStatement | The interface used to execute SQL stored procedures.
  Callback | Implementations of this interface are passed to a `CallbackHandler`, allowing underlying security services the ability to interact with a calling application to retrieve specific authentication data such as usernames and passwords, or to display certain information, such as error and warning messages.
  CallbackHandler | An application implements a `CallbackHandler` and passes it to underlying security services so that they may interact with the application to retrieve specific authentication data, such as usernames and passwords, or to display certain information, such as error and warning messages.
  CallSite | A `CallSite` is a holder for a variable `MethodHandle`, which is called its `target`.
  CallSiteDescriptor | Call site descriptors contain all the information necessary for linking a call site.
  CancelablePrintJob | This interface is used by a printing application to cancel a print job.
  CancellationException | Exception indicating that the result of a value-producing task, such as a `FutureTask`, cannot be retrieved because the task was cancelled.
  CancelledKeyException | Unchecked exception thrown when an attempt is made to use a selection key that is no longer valid.
  CannotProceedException | This exception is thrown to indicate that the operation reached a point in the name where the operation cannot proceed any further.
  CannotRedoException | Thrown when an UndoableEdit is told to `redo()` and can't.
  CannotUndoException | Thrown when an UndoableEdit is told to `undo()` and can't.
  CanonicalizationMethod | A representation of the XML `CanonicalizationMethod` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
  Canvas | A `Canvas` component represents a blank rectangular area of the screen onto which the application can draw or from which the application can trap input events from the user.
  Card | A Smart Card with which a connection has been established.
  CardChannel | A logical channel connection to a Smart Card.
  CardException | Exception for errors that occur during communication with the Smart Card stack or the card itself.
  CardLayout | A `CardLayout` object is a layout manager for a container.
  CardNotPresentException | Exception thrown when an application tries to establish a connection with a terminal that has no card present.
  CardPermission | A permission for Smart Card operations.
  CardTerminal | A Smart Card terminal, sometimes referred to as a Smart Card Reader.
  CardTerminals | The set of terminals supported by a TerminalFactory.
  CardTerminals.State | Enumeration of attributes of a CardTerminal.
  Caret | A place within a document view that represents where things can be inserted into the document model.
  CaretEvent | CaretEvent is used to notify interested parties that the text caret has changed in the event source.
  CaretListener | Listener for changes in the caret position of a text component.
  CaseTree | A tree node for a `case` in a `switch` statement.
  CaseTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  Catalog | The Catalog class represents an entity Catalog as defined by XML Catalogs, OASIS Standard V1.1, 7 October 2005.
  CatalogException | The exception class handles errors that may happen while processing or using a catalog.
  CatalogFeatures | The CatalogFeatures holds a collection of features and properties.
  CatalogFeatures.Builder | The Builder class for building the CatalogFeatures object.
  CatalogFeatures.Feature | A Feature type as defined in the Catalog Features table.
  CatalogManager | The Catalog Manager manages the creation of XML Catalogs and Catalog Resolvers.
  CatalogResolver | A Catalog Resolver that implements SAX `EntityResolver`, StAX `XMLResolver`, DOM LS `LSResourceResolver` used by Schema Validation, and Transform `URIResolver`, and resolves external references using catalogs.
  CatchTree | A tree node for a `catch` block in a `try` statement.
  CatchTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  Category | Event annotation, to associate the event type with a category, in the format of a human-readable path.
  CDATASection | CDATA sections are used to escape blocks of text containing characters that would otherwise be regarded as markup.
  CellEditor | This interface defines the methods any general editor should be able to implement.
  CellEditorListener | CellEditorListener defines the interface for an object that listens to changes in a CellEditor
  CellRendererPane | This class is inserted in between cell renderers and the components that use them.
  Certificate | Abstract class for managing a variety of identity certificates.
  Certificate | Deprecated, for removal: This API element is subject to removal in a future version. This class is deprecated and subject to removal in a future version of Java SE.
  Certificate | Deprecated. Use the classes in `java.security.cert` instead.
  Certificate.CertificateRep | Alternate Certificate class for serialization.
  CertificateEncodingException | Certificate Encoding Exception.
  CertificateEncodingException | Deprecated. Use the classes in `java.security.cert` instead.
  CertificateException | This exception indicates one of a variety of certificate problems.
  CertificateException | Deprecated. Use the classes in `java.security.cert` instead.
  CertificateExpiredException | Certificate Expired Exception.
  CertificateExpiredException | Deprecated. Use the classes in `java.security.cert` instead.
  CertificateFactory | This class defines the functionality of a certificate factory, which is used to generate certificate, certification path (`CertPath`) and certificate revocation list (CRL) objects from their encodings.
  CertificateFactorySpi | This class defines the Service Provider Interface (SPI) for the `CertificateFactory` class.
  CertificateNotYetValidException | Certificate is not yet valid exception.
  CertificateNotYetValidException | Deprecated. Use the classes in `java.security.cert` instead.
  CertificateParsingException | Certificate Parsing Exception.
  CertificateParsingException | Deprecated. Use the classes in `java.security.cert` instead.
  CertificateRevokedException | An exception that indicates an X.509 certificate is revoked.
  CertPath | An immutable sequence of certificates (a certification path).
  CertPath.CertPathRep | Alternate `CertPath` class for serialization.
  CertPathBuilder | A class for building certification paths (also known as certificate chains).
  CertPathBuilderException | An exception indicating one of a variety of problems encountered when building a certification path with a `CertPathBuilder`.
  CertPathBuilderResult | A specification of the result of a certification path builder algorithm.
  CertPathBuilderSpi | The Service Provider Interface (SPI) for the `CertPathBuilder` class.
  CertPathChecker | Performs one or more checks on each `Certificate` of a `CertPath`.
  CertPathParameters | A specification of certification path algorithm parameters.
  CertPathTrustManagerParameters | A wrapper for CertPathParameters.
  CertPathValidator | A class for validating certification paths (also known as certificate chains).
  CertPathValidatorException | An exception indicating one of a variety of problems encountered when validating a certification path.
  CertPathValidatorException.BasicReason | The BasicReason enumerates the potential reasons that a certification path of any type may be invalid.
  CertPathValidatorException.Reason | The reason the validation algorithm failed.
  CertPathValidatorResult | A specification of the result of a certification path validator algorithm.
  CertPathValidatorSpi | The Service Provider Interface (SPI) for the `CertPathValidator` class.
  CertSelector | A selector that defines a set of criteria for selecting `Certificate`s.
  CertStore | A class for retrieving `Certificate`s and `CRL`s from a repository.
  CertStoreException | An exception indicating one of a variety of problems retrieving certificates and CRLs from a `CertStore`.
  CertStoreParameters | A specification of `CertStore` parameters.
  CertStoreSpi | The Service Provider Interface (SPI) for the `CertStore` class.
  ChaCha20ParameterSpec | This class specifies the parameters used with the ChaCha20 algorithm.
  ChainedCallSite | A relinkable call site that implements a polymorphic inline caching strategy.
  ChangedCharSetException | ChangedCharSetException as the name indicates is an exception thrown when the charset is changed.
  ChangeEvent | ChangeEvent is used to notify interested parties that state has changed in the event source.
  ChangeListener | Defines an object which listens for ChangeEvents.
  Channel | A nexus for I/O operations.
  ChannelBinding | This class encapsulates the concept of caller-provided channel binding information.
  Channels | Utility methods for channels and streams.
  Channels | Defines static methods to create `channels`.
  Channels.SelectableChannelCloser | An object used to coordinate the closing of a selectable channel created by `readWriteSelectableChannel`.
  Character | The `Character` class wraps a value of the primitive type `char` in an object.
  Character.Subset | Instances of this class represent particular subsets of the Unicode character set.
  Character.UnicodeBlock | A family of character subsets representing the character blocks in the Unicode specification.
  Character.UnicodeScript | A family of character subsets representing the character scripts defined in the Unicode Standard Annex #24: Script Names.
  CharacterCodingException | Checked exception thrown when a character encoding or decoding error occurs.
  CharacterData | The `CharacterData` interface extends Node with a set of attributes and methods for accessing character data in the DOM.
  CharacterIterator | This interface defines a protocol for bidirectional iteration over text.
  Characters | This describes the interface to Characters events.
  CharArrayReader | This class implements a character buffer that can be used as a character-input stream.
  CharArrayWriter | This class implements a character buffer that can be used as an Writer.
  CharBuffer | A char buffer.
  CharConversionException | Base class for character conversion exceptions.
  CharSequence | A `CharSequence` is a readable sequence of `char` values.
  Charset | A named mapping between sequences of sixteen-bit Unicode code units and sequences of bytes.
  CharsetDecoder | An engine that can transform a sequence of bytes in a specific charset into a sequence of sixteen-bit Unicode characters.
  CharsetEncoder | An engine that can transform a sequence of sixteen-bit Unicode characters into a sequence of bytes in a specific charset.
  CharsetProvider | Charset service-provider class.
  CharType | The type of all primitive char values accessed in the target VM.
  CharValue | Provides access to a primitive `char` value in the target VM.
  Checkbox | A check box is a graphical component that can be in either an "on" (`true`) or "off" (`false`) state.
  CheckboxGroup | The `CheckboxGroup` class is used to group together a set of `Checkbox` buttons.
  CheckboxMenuItem | This class represents a check box that can be included in a menu.
  CheckedInputStream | An input stream that also maintains a checksum of the data being read.
  CheckedOutputStream | An output stream that also maintains a checksum of the data being written.
  Checksum | An interface representing a data checksum.
  Choice | The `Choice` class presents a pop-up menu of choices.
  ChoiceCallback | Underlying security services instantiate and pass a `ChoiceCallback` to the `handle` method of a `CallbackHandler` to display a list of choices and to retrieve the selected choice(s).
  ChoiceFormat | A `ChoiceFormat` allows you to attach a format to a range of numbers.
  Chromaticity | Class `Chromaticity` is a printing attribute class, an enumeration, that specifies monochrome or color printing.
  ChronoField | A standard set of fields.
  ChronoLocalDate | A date without time-of-day or time-zone in an arbitrary chronology, intended for advanced globalization use cases.
  ChronoLocalDateTime<D extends ChronoLocalDate> | A date-time without a time-zone in an arbitrary chronology, intended for advanced globalization use cases.
  Chronology | A calendar system, used to organize and identify dates.
  ChronoPeriod | A date-based amount of time, such as '3 years, 4 months and 5 days' in an arbitrary chronology, intended for advanced globalization use cases.
  ChronoUnit | A standard set of date periods units.
  ChronoZonedDateTime<D extends ChronoLocalDate> | A date-time with a time-zone in an arbitrary chronology, intended for advanced globalization use cases.
  Cipher | This class provides the functionality of a cryptographic cipher for encryption and decryption.
  CipherInputStream | A CipherInputStream is composed of an InputStream and a Cipher so that read() methods return data that are read in from the underlying InputStream but have been additionally processed by the Cipher.
  CipherOutputStream | A CipherOutputStream is composed of an OutputStream and a Cipher so that write() methods first process the data before writing them out to the underlying OutputStream.
  CipherSpi | This class defines the Service Provider Interface (SPI) for the `Cipher` class.
  Class<T> | Instances of the class `Class` represent classes and interfaces in a running Java application.
  ClassCastException | Thrown to indicate that the code has attempted to cast an object to a subclass of which it is not an instance.
  ClassCircularityError | Thrown when the Java Virtual Machine detects a circularity in the superclass hierarchy of a class being loaded.
  ClassDeclarationTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  ClassDefinition | This class serves as a parameter block to the `Instrumentation.redefineClasses` method.
  ClassDoc | Deprecated, for removal: This API element is subject to removal in a future version. The declarations in this package have been superseded by those in the package `jdk.javadoc.doclet`.
  ClassExpressionTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  ClassFileTransformer | A transformer of class files.
  ClassFilter | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  ClassFormatError | Thrown when the Java Virtual Machine attempts to read a class file and determines that the file is malformed or otherwise cannot be interpreted as a class file.
  ClassLoader | A class loader is an object that is responsible for loading classes.
  ClassLoaderReference | A class loader object from the target VM.
  ClassLoaderRepository | Instances of this interface are used to keep the list of ClassLoaders registered in an MBean Server.
  ClassLoadingMXBean | The management interface for the class loading system of the Java virtual machine.
  ClassNotFoundException | Thrown when an application tries to load in a class through its string name using: The `forName` method in class `Class`.
  ClassNotLoadedException | Thrown to indicate that the requested class has not yet been loaded through the appropriate class loader.
  ClassNotPreparedException | Thrown to indicate that the requested operation cannot be completed because the specified class has not yet been prepared.
  ClassObjectReference | An instance of java.lang.Class from the target VM.
  ClassPrepareEvent | Notification of a class prepare in the target VM.
  ClassPrepareRequest | Request for notification when a class is prepared in the target VM.
  ClassTree | A tree node for a class, interface, enum, or annotation type declaration.
  ClassType | A mirror of a class in the target VM.
  ClassUnloadEvent | Notification of a class unload in the target VM.
  ClassUnloadRequest | Request for notification when a class is unloaded in the target VM.
  ClassValue<T> | Lazily associate a computed value with (potentially) every type.
  Cleaner | `Cleaner` manages a set of object references and corresponding cleaning actions.
  Cleaner.Cleanable | `Cleanable` represents an object and a cleaning action registered in a `Cleaner`.
  ClientInfoStatus | Enumeration for status of the reason that a property could not be set via a call to `Connection.setClientInfo`
  Clip | The `Clip` interface represents a special kind of data line whose audio data can be loaded prior to playback, instead of being streamed in real time.
  Clipboard | A class that implements a mechanism to transfer data using cut/copy/paste operations.
  ClipboardOwner | Defines the interface for classes that will provide data to a clipboard.
  Clob | The mapping in the Java™ programming language for the SQL `CLOB` type.
  Clock | A clock providing access to the current instant, date and time using a time-zone.
  Cloneable | A class implements the `Cloneable` interface to indicate to the `Object.clone()` method that it is legal for that method to make a field-for-field copy of instances of that class.
  CloneNotSupportedException | Thrown to indicate that the `clone` method in class `Object` has been called to clone an object, but that the object's class does not implement the `Cloneable` interface.
  Closeable | A `Closeable` is a source or destination of data that can be closed.
  ClosedByInterruptException | Checked exception received by a thread when another thread interrupts it while it is blocked in an I/O operation upon a channel.
  ClosedChannelException | Checked exception thrown when an attempt is made to invoke or complete an I/O operation upon channel that is closed, or at least closed to that operation.
  ClosedConnectionException | This exception may be thrown as a result of an asynchronous close of a `Connection` while an I/O operation is in progress.
  ClosedDirectoryStreamException | Unchecked exception thrown when an attempt is made to invoke an operation on a directory stream that is closed.
  ClosedFileSystemException | Unchecked exception thrown when an attempt is made to invoke an operation on a file and the file system is closed.
  ClosedSelectorException | Unchecked exception thrown when an attempt is made to invoke an I/O operation upon a closed selector.
  ClosedWatchServiceException | Unchecked exception thrown when an attempt is made to invoke an operation on a watch service that is closed.
  CMMException | This exception is thrown if the native CMM returns an error.
  CoderMalfunctionError | Error thrown when the `decodeLoop` method of a `CharsetDecoder`, or the `encodeLoop` method of a `CharsetEncoder`, throws an unexpected exception.
  CoderResult | A description of the result state of a coder.
  CodeSigner | This class encapsulates information about a code signer.
  CodeSource | This class extends the concept of a codebase to encapsulate not only the location (URL) but also the certificate chains that were used to verify signed code originating from that location.
  CodingErrorAction | A typesafe enumeration for coding-error actions.
  CollationElementIterator | The `CollationElementIterator` class is used as an iterator to walk through each character of an international string.
  CollationKey | A `CollationKey` represents a `String` under the rules of a specific `Collator` object.
  Collator | The `Collator` class performs locale-sensitive `String` comparison.
  CollatorProvider | An abstract class for service providers that provide concrete implementations of the `Collator` class.
  Collection<E> | The root interface in the collection hierarchy.
  CollectionCertStoreParameters | Parameters used as input for the Collection `CertStore` algorithm.
  Collections | This class consists exclusively of static methods that operate on or return collections.
  Collector<T,​A,​R> | A mutable reduction operation that accumulates input elements into a mutable result container, optionally transforming the accumulated result into a final representation after all input elements have been processed.
  Collector.Characteristics | Characteristics indicating properties of a `Collector`, which can be used to optimize reduction implementations.
  Collectors | Implementations of `Collector` that implement various useful reduction operations, such as accumulating elements into collections, summarizing elements according to various criteria, etc.
  Color | The `Color` class is used to encapsulate colors in the default sRGB color space or colors in arbitrary color spaces identified by a `ColorSpace`.
  ColorChooserComponentFactory | A class designed to produce preconfigured "accessory" objects to insert into color choosers.
  ColorChooserUI | Pluggable look and feel interface for JColorChooser.
  ColorConvertOp | This class performs a pixel-by-pixel color conversion of the data in the source image.
  ColorModel | The `ColorModel` abstract class encapsulates the methods for translating a pixel value to color components (for example, red, green, and blue) and an alpha component.
  ColorSelectionModel | A model that supports selecting a `Color`.
  ColorSpace | This abstract class is used to serve as a color space tag to identify the specific color space of a Color object or, via a ColorModel object, of an Image, a BufferedImage, or a GraphicsDevice.
  ColorSupported | Class `ColorSupported` is a printing attribute class, an enumeration, that identifies whether the device is capable of any type of color printing at all, including highlight color as well as full process color.
  ColorType | A typesafe enumeration of colors that can be fetched from a style.
  ColorUIResource | A subclass of Color that implements UIResource.
  ComboBoxEditor | The editor component used for JComboBox components.
  ComboBoxModel<E> | A data model for a combo box.
  ComboBoxUI | Pluggable look and feel interface for JComboBox.
  ComboPopup | The interface which defines the methods required for the implementation of the popup portion of a combo box.
  CommandAPDU | A command APDU following the structure defined in ISO/IEC 7816-4.
  Comment | An interface for comment events
  Comment | This interface inherits from `CharacterData` and represents the content of a comment, i.e., all the characters between the starting '`<!--`' and ending '`-->`'.
  CommentTree | An embedded HTML comment.
  CommonDataSource | Interface that defines the methods which are common between `DataSource`, `XADataSource` and `ConnectionPoolDataSource`.
  CommunicationException | This exception is thrown when the client is unable to communicate with the directory or naming service.
  Comparable<T> | This interface imposes a total ordering on the objects of each class that implements it.
  Comparator<T> | A comparison function, which imposes a total ordering on some collection of objects.
  Compilable | The optional interface implemented by ScriptEngines whose methods compile scripts to a form that can be executed repeatedly without recompilation.
  CompilationMXBean | The management interface for the compilation system of the Java virtual machine.
  CompilationUnitTree | Represents the abstract syntax tree for compilation units (source files) and package declarations (package-info.java).
  CompilationUnitTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  CompiledScript | Extended by classes that store results of compilations.
  Compiler | Deprecated, for removal: This API element is subject to removal in a future version. JIT compilers and their technologies vary too widely to be controlled effectively by a standardized interface.
  CompletableFuture<T> | A `Future` that may be explicitly completed (setting its value and status), and may be used as a `CompletionStage`, supporting dependent functions and actions that trigger upon its completion.
  CompletableFuture.AsynchronousCompletionTask | A marker interface identifying asynchronous tasks produced by `async` methods.
  Completion | A suggested completion for an annotation.
  CompletionException | Exception thrown when an error or other exception is encountered in the course of completing a result or task.
  CompletionHandler<V,​A> | A handler for consuming the result of an asynchronous I/O operation.
  Completions | Utility class for assembling `Completion` objects.
  CompletionService<V> | A service that decouples the production of new asynchronous tasks from the consumption of the results of completed tasks.
  CompletionStage<T> | A stage of a possibly asynchronous computation, that performs an action or computes a value when another CompletionStage completes.
  Component | A component is an object having a graphical representation that can be displayed on the screen and that can interact with the user.
  Component.BaselineResizeBehavior | Enumeration of the common ways the baseline of a component can change as the size changes.
  ComponentAdapter | An abstract adapter class for receiving component events.
  ComponentColorModel | A `ColorModel` class that works with pixel values that represent color and alpha information as separate samples and that store each sample in a separate data element.
  ComponentEvent | A low-level event which indicates that a component moved, changed size, or changed visibility (also, the root class for the other component-level events).
  ComponentInputMap | A `ComponentInputMap` is an `InputMap` associated with a particular `JComponent`.
  ComponentInputMapUIResource | A subclass of javax.swing.ComponentInputMap that implements UIResource.
  ComponentListener | The listener interface for receiving component events.
  ComponentOrientation | The ComponentOrientation class encapsulates the language-sensitive orientation that is to be used to order the elements of a component or of text.
  ComponentSampleModel | This class represents image data which is stored such that each sample of a pixel occupies one data element of the DataBuffer.
  ComponentUI | The base class for all UI delegate objects in the Swing pluggable look and feel architecture.
  ComponentView | Component decorator that implements the view interface.
  Composite | The `Composite` interface, along with `CompositeContext`, defines the methods to compose a draw primitive with the underlying graphics area.
  CompositeContext | The `CompositeContext` interface defines the encapsulated and optimized environment for a compositing operation.
  CompositeData | The `CompositeData` interface specifies the behavior of a specific type of complex open data objects which represent composite data structures.
  CompositeDataInvocationHandler | An `InvocationHandler` that forwards getter methods to a `CompositeData`.
  CompositeDataSupport | The `CompositeDataSupport` class is the open data class which implements the `CompositeData` interface.
  CompositeDataView | A Java class can implement this interface to indicate how it is to be converted into a `CompositeData` by the MXBean framework.
  CompositeGuardingDynamicLinker | A `GuardingDynamicLinker` that delegates sequentially to a list of other guarding dynamic linkers in its `CompositeGuardingDynamicLinker.getGuardedInvocation(LinkRequest, LinkerServices)`.
  CompositeName | This class represents a composite name -- a sequence of component names spanning multiple namespaces.
  CompositeType | The `CompositeType` class is the open type class whose instances describe the types of `CompositeData` values.
  CompositeTypeBasedGuardingDynamicLinker | A composite type-based guarding dynamic linker.
  CompositeView | `CompositeView` is an abstract `View` implementation which manages one or more child views.
  CompoundAssignmentTree | A tree node for compound assignment operator.
  CompoundAssignmentTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  CompoundBorder | A composite Border class used to compose two Border objects into a single border by nesting an inside Border object within the insets of an outside Border object.
  CompoundControl | A `CompoundControl`, such as a graphic equalizer, provides control over two or more related properties, each of which is itself represented as a `Control`.
  CompoundControl.Type | An instance of the `CompoundControl.Type` inner class identifies one kind of compound control.
  CompoundEdit | A concrete subclass of AbstractUndoableEdit, used to assemble little UndoableEdits into great big ones.
  CompoundName | This class represents a compound name -- a name from a hierarchical name space.
  Compression | Class `Compression` is a printing attribute class, an enumeration, that specifies how print data is compressed.
  ConcurrentHashMap<K,​V> | A hash table supporting full concurrency of retrievals and high expected concurrency for updates.
  ConcurrentHashMap.KeySetView<K,​V> | A view of a ConcurrentHashMap as a `Set` of keys, in which additions may optionally be enabled by mapping to a common value.
  ConcurrentLinkedDeque<E> | An unbounded concurrent deque based on linked nodes.
  ConcurrentLinkedQueue<E> | An unbounded thread-safe queue based on linked nodes.
  ConcurrentMap<K,​V> | A `Map` providing thread safety and atomicity guarantees.
  ConcurrentModificationException | This exception may be thrown by methods that have detected concurrent modification of an object when such modification is not permissible.
  ConcurrentNavigableMap<K,​V> | A `ConcurrentMap` supporting `NavigableMap` operations, and recursively so for its navigable sub-maps.
  ConcurrentSkipListMap<K,​V> | A scalable concurrent `ConcurrentNavigableMap` implementation.
  ConcurrentSkipListSet<E> | A scalable concurrent `NavigableSet` implementation based on a `ConcurrentSkipListMap`.
  Condition | `Condition` factors out the `Object` monitor methods (`wait`, `notify` and `notifyAll`) into distinct objects to give the effect of having multiple wait-sets per object, by combining them with the use of arbitrary `Lock` implementations.
  ConditionalExpressionTree | A tree node for the conditional operator ?
  ConditionalExpressionTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  ConditionalLoopTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  ConfigFile | This class represents a default implementation for `javax.security.auth.login.Configuration`.
  Configuration | A configuration that is the result of resolution or resolution with service binding.
  Configuration | A Configuration object is responsible for specifying which LoginModules should be used for a particular application, and in what order the LoginModules should be invoked.
  Configuration | A collection of settings and metadata describing the configuration.
  Configuration.Parameters | This represents a marker interface for Configuration parameters.
  ConfigurationException | This exception is thrown when there is a configuration problem.
  ConfigurationInfo | Management representation of a `Configuration`.
  ConfigurationSpi | This class defines the Service Provider Interface (SPI) for the `Configuration` class.
  ConfirmationCallback | Underlying security services instantiate and pass a `ConfirmationCallback` to the `handle` method of a `CallbackHandler` to ask for YES/NO, OK/CANCEL, YES/NO/CANCEL or other similar confirmations.
  ConnectException | Signals that an error occurred while attempting to connect a socket to a remote address and port.
  ConnectException | A `ConnectException` is thrown if a connection is refused to the remote host for a remote method call.
  ConnectIOException | A `ConnectIOException` is thrown if an `IOException` occurs while making a connection to the remote host for a remote method call.
  Connection | A connection between a debugger and a target VM which it debugs.
  Connection | A connection (session) with a specific database.
  ConnectionBuilder | A builder created from a `DataSource` object, used to establish a connection to the database that the `data source` object represents.
  ConnectionEvent | An `Event` object that provides information about the source of a connection-related event.
  ConnectionEventListener | An object that registers to be notified of events generated by a `PooledConnection` object.
  ConnectionPendingException | Unchecked exception thrown when an attempt is made to connect a `SocketChannel` for which a non-blocking connection operation is already in progress.
  ConnectionPoolDataSource | A factory for `PooledConnection` objects.
  Connector | A method of connection between a debugger and a target VM.
  Connector.Argument | Specification for and value of a Connector argument.
  Connector.BooleanArgument | Specification for and value of a Connector argument, whose value is Boolean.
  Connector.IntegerArgument | Specification for and value of a Connector argument, whose value is an integer.
  Connector.SelectedArgument | Specification for and value of a Connector argument, whose value is a String selected from a list of choices.
  Connector.StringArgument | Specification for and value of a Connector argument, whose value is a String.
  Console | Methods to access the character-based console device, if any, associated with the current Java virtual machine.
  ConsoleHandler | This `Handler` publishes log records to `System.err`.
  ConstantBootstraps | Bootstrap methods for dynamically-computed constants.
  ConstantCallSite | A `ConstantCallSite` is a `CallSite` whose target is permanent, and can never be changed.
  Constructor<T> | `Constructor` provides information about, and access to, a single constructor for a class.
  ConstructorDoc | Deprecated, for removal: This API element is subject to removal in a future version. The declarations in this package have been superseded by those in the package `jdk.javadoc.doclet`.
  ConstructorParameters | An annotation on a constructor that shows how the parameters of that constructor correspond to the constructed object's getter methods.
  ConstructorProperties | An annotation on a constructor that shows how the parameters of that constructor correspond to the constructed object's getter methods.
  Consumer<T> | Represents an operation that accepts a single input argument and returns no result.
  Container | A generic Abstract Window Toolkit(AWT) container object is a component that can contain other AWT components.
  ContainerAdapter | An abstract adapter class for receiving container events.
  ContainerEvent | A low-level event which indicates that a container's contents changed because a component was added or removed.
  ContainerListener | The listener interface for receiving container events.
  ContainerOrderFocusTraversalPolicy | A FocusTraversalPolicy that determines traversal order based on the order of child Components in a Container.
  ContentHandler | The abstract class `ContentHandler` is the superclass of all classes that read an `Object` from a `URLConnection`.
  ContentHandler | Receive notification of the logical content of a document.
  ContentHandlerFactory | This interface defines a factory for content handlers.
  ContentModel | A representation of a content model.
  ContentSigner | Deprecated. This class has been deprecated.
  ContentSignerParameters | Deprecated. This class has been deprecated.
  ContentType | Meta annotation, specifies that an annotation represents a content type, such as a time span or a frequency.
  Context | This interface represents a naming context, which consists of a set of name-to-object bindings.
  ContextNotEmptyException | This exception is thrown when attempting to destroy a context that is not empty.
  ContextualRenderedImageFactory | ContextualRenderedImageFactory provides an interface for the functionality that may differ between instances of RenderableImageOp.
  ContinueTree | A tree node for a `continue` statement.
  ContinueTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  Control | This interface represents an LDAPv3 control as defined in RFC 2251.
  Control | `Lines` often have a set of controls, such as gain and pan, that affect the audio signal passing through the line.
  Control.Type | An instance of the `Type` class represents the type of the control.
  ControlFactory | This abstract class represents a factory for creating LDAPv3 controls.
  ControllerEventListener | The `ControllerEventListener` interface should be implemented by classes whose instances need to be notified when a `Sequencer` has processed a requested type of MIDI control-change event.
  ConversionComparator | Optional interface to be implemented by `GuardingTypeConverterFactory` implementers.
  ConversionComparator.Comparison | Enumeration of possible outcomes of comparing one conversion to another.
  ConvolveOp | This class implements a convolution from the source to the destination.
  CookieHandler | A CookieHandler object provides a callback mechanism to hook up a HTTP state management policy implementation into the HTTP protocol handler.
  CookieManager | CookieManager provides a concrete implementation of `CookieHandler`, which separates the storage of cookies from the policy surrounding accepting and rejecting cookies.
  CookiePolicy | CookiePolicy implementations decide which cookies should be accepted and which should be rejected.
  CookieStore | A CookieStore object represents a storage for cookie.
  Copies | Class `Copies` is an integer valued printing attribute class that specifies the number of copies to be printed.
  CopiesSupported | Class `CopiesSupported` is a printing attribute class, a set of integers, that gives the supported values for a `Copies` attribute.
  CopyOnWriteArrayList<E> | A thread-safe variant of `ArrayList` in which all mutative operations (`add`, `set`, and so on) are implemented by making a fresh copy of the underlying array.
  CopyOnWriteArraySet<E> | A `Set` that uses an internal `CopyOnWriteArrayList` for all of its operations.
  CopyOption | An object that configures how to copy or move a file.
  CountDownLatch | A synchronization aid that allows one or more threads to wait until a set of operations being performed in other threads completes.
  CountedCompleter<T> | A `ForkJoinTask` with a completion action performed when triggered and there are no remaining pending actions.
  Counter | The `Counter` interface is used to represent any counter or counters function value.
  CounterMonitor | Defines a monitor MBean designed to observe the values of a counter attribute.
  CounterMonitorMBean | Exposes the remote management interface of the counter monitor MBean.
  CRC32 | A class that can be used to compute the CRC-32 of a data stream.
  CRC32C | A class that can be used to compute the CRC-32C of a data stream.
  CredentialException | A generic credential exception.
  CredentialExpiredException | Signals that a `Credential` has expired.
  CredentialNotFoundException | Signals that a credential was not found.
  CRL | This class is an abstraction of certificate revocation lists (CRLs) that have different formats but important common uses.
  CRLException | CRL (Certificate Revocation List) Exception.
  CRLReason | The CRLReason enumeration specifies the reason that a certificate is revoked, as defined in RFC 5280: Internet X.509 Public Key Infrastructure Certificate and CRL Profile.
  CRLSelector | A selector that defines a set of criteria for selecting `CRL`s.
  CropImageFilter | An ImageFilter class for cropping images.
  CryptoPrimitive | An enumeration of cryptographic primitives.
  CSS | Defines a set of CSS attributes as a typesafe enumeration.
  CSS.Attribute | Definitions to be used as a key on AttributeSet's that might hold CSS attributes.
  CSS2Properties | The `CSS2Properties` interface represents a convenience mechanism for retrieving and setting properties within a `CSSStyleDeclaration`.
  CSSCharsetRule | The `CSSCharsetRule` interface represents a @charset rule in a CSS style sheet.
  CSSFontFaceRule | The `CSSFontFaceRule` interface represents a @font-face rule in a CSS style sheet.
  CSSImportRule | The `CSSImportRule` interface represents a @import rule within a CSS style sheet.
  CSSMediaRule | The `CSSMediaRule` interface represents a @media rule in a CSS style sheet.
  CSSPageRule | The `CSSPageRule` interface represents a @page rule within a CSS style sheet.
  CSSPrimitiveValue | The `CSSPrimitiveValue` interface represents a single CSS value .
  CSSRule | The `CSSRule` interface is the abstract base interface for any type of CSS statement.
  CSSRuleList | The `CSSRuleList` interface provides the abstraction of an ordered collection of CSS rules.
  CSSStyleDeclaration | The `CSSStyleDeclaration` interface represents a single CSS declaration block.
  CSSStyleRule | The `CSSStyleRule` interface represents a single rule set in a CSS style sheet.
  CSSStyleSheet | The `CSSStyleSheet` interface is a concrete interface used to represent a CSS style sheet i.e., a style sheet whose content type is "text/css".
  CSSUnknownRule | The `CSSUnknownRule` interface represents an at-rule not supported by this user agent.
  CSSValue | The `CSSValue` interface represents a simple or a complex value.
  CSSValueList | The `CSSValueList` interface provides the abstraction of an ordered collection of CSS values.
  CubicCurve2D | The `CubicCurve2D` class defines a cubic parametric curve segment in `(x,y)` coordinate space.
  CubicCurve2D.Double | A cubic parametric curve segment specified with `double` coordinates.
  CubicCurve2D.Float | A cubic parametric curve segment specified with `float` coordinates.
  Currency | Represents a currency.
  CurrencyNameProvider | An abstract class for service providers that provide localized currency symbols and display names for the `Currency` class.
  Cursor | A class to encapsulate the bitmap representation of the mouse cursor.
  Customizer | A customizer class provides a complete custom GUI for customizing a target Java Bean.
  CyclicBarrier | A synchronization aid that allows a set of threads to all wait for each other to reach a common barrier point.
  Data | An abstract representation of the result of dereferencing a `URIReference` or the input/output of subsequent `Transform`s.
  DataAmount | Event field annotation, specifies that a value represents an amount of data (for example, bytes).
  DatabaseMetaData | Comprehensive information about the database as a whole.
  DataBuffer | This class exists to wrap one or more data arrays.
  DataBufferByte | This class extends `DataBuffer` and stores data internally as bytes.
  DataBufferDouble | This class extends `DataBuffer` and stores data internally in `double` form.
  DataBufferFloat | This class extends `DataBuffer` and stores data internally in `float` form.
  DataBufferInt | This class extends `DataBuffer` and stores data internally as integers.
  DataBufferShort | This class extends `DataBuffer` and stores data internally as shorts.
  DataBufferUShort | This class extends `DataBuffer` and stores data internally as shorts.
  DataFlavor | A `DataFlavor` provides meta information about data.
  DataFormatException | Signals that a data format error has occurred.
  DatagramChannel | A selectable channel for datagram-oriented sockets.
  DatagramPacket | This class represents a datagram packet.
  DatagramSocket | This class represents a socket for sending and receiving datagram packets.
  DatagramSocketImpl | Abstract datagram and multicast socket implementation base class.
  DatagramSocketImplFactory | This interface defines a factory for datagram socket implementations.
  DataInput | The `DataInput` interface provides for reading bytes from a binary stream and reconstructing from them data in any of the Java primitive types.
  DataInputStream | A data input stream lets an application read primitive Java data types from an underlying input stream in a machine-independent way.
  DataLine | `DataLine` adds media-related functionality to its superinterface, `Line`.
  DataLine.Info | Besides the class information inherited from its superclass, `DataLine.Info` provides additional information specific to data lines.
  DataOutput | The `DataOutput` interface provides for converting data from any of the Java primitive types to a series of bytes and writing these bytes to a binary stream.
  DataOutputStream | A data output stream lets an application write primitive Java data types to an output stream in a portable way.
  DataSource | A factory for connections to the physical data source that this `DataSource` object represents.
  DataTruncation | An exception thrown as a `DataTruncation` exception (on writes) or reported as a `DataTruncation` warning (on reads) when a data values is unexpectedly truncated for reasons other than its having exceeded `MaxFieldSize`.
  DatatypeConfigurationException | Indicates a serious configuration error.
  DatatypeConstants | Utility class to contain basic Datatype values as constants.
  DatatypeConstants.Field | Type-safe enum class that represents six fields of the `Duration` class.
  DatatypeFactory | Factory that creates new `javax.xml.datatype` `Object`s that map XML to/from Java `Object`s.
  Date | A thin wrapper around a millisecond value that allows JDBC to identify this as an SQL `DATE` value.
  Date | The class `Date` represents a specific instant in time, with millisecond precision.
  DateFormat | `DateFormat` is an abstract class for date/time formatting subclasses which formats and parses dates or time in a language-independent manner.
  DateFormat.Field | Defines constants that are used as attribute keys in the `AttributedCharacterIterator` returned from `DateFormat.formatToCharacterIterator` and as field identifiers in `FieldPosition`.
  DateFormatProvider | An abstract class for service providers that provide concrete implementations of the `DateFormat` class.
  DateFormatSymbols | `DateFormatSymbols` is a public class for encapsulating localizable date-time formatting data, such as the names of the months, the names of the days of the week, and the time zone data.
  DateFormatSymbolsProvider | An abstract class for service providers that provide instances of the `DateFormatSymbols` class.
  DateFormatter | DateFormatter is an `InternationalFormatter` that does its formatting by way of an instance of `java.text.DateFormat`.
  DateTimeAtCompleted | Class `DateTimeAtCompleted` is a printing attribute class, a date-time attribute, that indicates the date and time at which the Print Job completed (or was canceled or aborted).
  DateTimeAtCreation | Class `DateTimeAtCreation` is a printing attribute class, a date-time attribute, that indicates the date and time at which the Print Job was created.
  DateTimeAtProcessing | Class `DateTimeAtProcessing` is a printing attribute class, a date-time attribute, that indicates the date and time at which the Print Job first began processing.
  DateTimeException | Exception used to indicate a problem while calculating a date-time.
  DateTimeFormatter | Formatter for printing and parsing date-time objects.
  DateTimeFormatterBuilder | Builder to create date-time formatters.
  DateTimeParseException | An exception thrown when an error occurs during parsing.
  DateTimeSyntax | Class `DateTimeSyntax` is an abstract base class providing the common implementation of all attributes whose value is a date and time.
  DayOfWeek | A day-of-week, such as 'Tuesday'.
  DebuggerTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  DebugGraphics | Graphics subclass supporting graphics debugging.
  DecimalFormat | `DecimalFormat` is a concrete subclass of `NumberFormat` that formats decimal numbers.
  DecimalFormatSymbols | This class represents the set of symbols (such as the decimal separator, the grouping separator, and so on) needed by `DecimalFormat` to format numbers.
  DecimalFormatSymbolsProvider | An abstract class for service providers that provide instances of the `DecimalFormatSymbols` class.
  DecimalStyle | Localized decimal style used in date and time formatting.
  DeclarationSnippet | Grouping for all declaration Snippets: variable declarations (`VarSnippet`), method declarations (`MethodSnippet`), and type declarations (`TypeDeclSnippet`).
  DeclaredType | Represents a declared type, either a class type or an interface type.
  DeclHandler | SAX2 extension handler for DTD declaration events.
  DefaultBoundedRangeModel | A generic implementation of BoundedRangeModel.
  DefaultButtonModel | The default implementation of a `Button` component's data model.
  DefaultCaret | A default implementation of Caret.
  DefaultCellEditor | The default editor for table and tree cells.
  DefaultColorSelectionModel | A generic implementation of `ColorSelectionModel`.
  DefaultComboBoxModel<E> | The default model for combo boxes.
  DefaultDesktopManager | This is an implementation of the `DesktopManager`.
  DefaultEditorKit | This is the set of things needed by a text component to be a reasonably functioning editor for some type of text document.
  DefaultEditorKit.BeepAction | Creates a beep.
  DefaultEditorKit.CopyAction | Copies the selected region and place its contents into the system clipboard.
  DefaultEditorKit.CutAction | Cuts the selected region and place its contents into the system clipboard.
  DefaultEditorKit.DefaultKeyTypedAction | The action that is executed by default if a key typed event is received and there is no keymap entry.
  DefaultEditorKit.InsertBreakAction | Places a line/paragraph break into the document.
  DefaultEditorKit.InsertContentAction | Places content into the associated document.
  DefaultEditorKit.InsertTabAction | Places a tab character into the document.
  DefaultEditorKit.PasteAction | Pastes the contents of the system clipboard into the selected region, or before the caret if nothing is selected.
  DefaultFocusManager | This class has been obsoleted by the 1.4 focus APIs.
  DefaultFocusTraversalPolicy | A FocusTraversalPolicy that determines traversal order based on the order of child Components in a Container.
  DefaultFormatter | `DefaultFormatter` formats arbitrary objects.
  DefaultFormatterFactory | An implementation of `JFormattedTextField.AbstractFormatterFactory`.
  DefaultHandler | Default base class for SAX2 event handlers.
  DefaultHandler2 | This class extends the SAX2 base handler class to support the SAX2 `LexicalHandler`, `DeclHandler`, and `EntityResolver2` extensions.
  DefaultHighlighter | Implements the Highlighter interfaces.
  DefaultHighlighter.DefaultHighlightPainter | Simple highlight painter that fills a highlighted area with a solid color.
  DefaultInternalObjectFilter | Default implementation for a `DynamicLinkerFactory.setInternalObjectsFilter(MethodHandleTransformer)` that delegates to a pair of filtering method handles.
  DefaultKeyboardFocusManager | The default KeyboardFocusManager for AWT applications.
  DefaultListCellRenderer | Renders an item in a list.
  DefaultListCellRenderer.UIResource | A subclass of DefaultListCellRenderer that implements UIResource.
  DefaultListModel<E> | This class loosely implements the `java.util.Vector` API, in that it implements the 1.1.x version of `java.util.Vector`, has no collection class support, and notifies the `ListDataListener`s when changes occur.
  DefaultListSelectionModel | Default data model for list selections.
  DefaultLoaderRepository | Deprecated. Use `MBeanServer.getClassLoaderRepository()` instead.
  DefaultLoaderRepository | Deprecated. Use `MBeanServer.getClassLoaderRepository()` instead.
  DefaultMenuLayout | The default layout manager for Popup menus and menubars.
  DefaultMetalTheme | A concrete implementation of `MetalTheme` providing the original look of the Java Look and Feel, code-named "Steel".
  DefaultMutableTreeNode | A `DefaultMutableTreeNode` is a general-purpose node in a tree data structure.
  DefaultPersistenceDelegate | The `DefaultPersistenceDelegate` is a concrete implementation of the abstract `PersistenceDelegate` class and is the delegate used by default for classes about which no information is available.
  DefaultRowSorter<M,​I> | An implementation of `RowSorter` that provides sorting and filtering around a grid-based data model.
  DefaultRowSorter.ModelWrapper<M,​I> | `DefaultRowSorter.ModelWrapper` is responsible for providing the data that gets sorted by `DefaultRowSorter`.
  DefaultSingleSelectionModel | A generic implementation of SingleSelectionModel.
  DefaultStyledDocument | A document that can be marked up with character and paragraph styles in a manner similar to the Rich Text Format.
  DefaultStyledDocument.AttributeUndoableEdit | An UndoableEdit used to remember AttributeSet changes to an Element.
  DefaultStyledDocument.ElementSpec | Specification for building elements.
  DefaultTableCellRenderer | The standard class for rendering (displaying) individual cells in a `JTable`.
  DefaultTableCellRenderer.UIResource | A subclass of `DefaultTableCellRenderer` that implements `UIResource`.
  DefaultTableColumnModel | The standard column-handler for a `JTable`.
  DefaultTableModel | This is an implementation of `TableModel` that uses a `Vector` of `Vectors` to store the cell value objects.
  DefaultTextUI | Deprecated.
  DefaultTreeCellEditor | A `TreeCellEditor`.
  DefaultTreeCellRenderer | Displays an entry in a tree.
  DefaultTreeModel | A simple tree data model that uses TreeNodes.
  DefaultTreeSelectionModel | Default implementation of TreeSelectionModel.
  Deflater | This class provides support for general purpose compression using the popular ZLIB compression library.
  DeflaterInputStream | Implements an input stream filter for compressing data in the "deflate" compression format.
  DeflaterOutputStream | This class implements an output stream filter for compressing data in the "deflate" compression format.
  Delayed | A mix-in style interface for marking objects that should be acted upon after a given delay.
  DelayQueue<E extends Delayed> | An unbounded blocking queue of `Delayed` elements, in which an element can only be taken when its delay has expired.
  DelegationPermission | This class is used to restrict the usage of the Kerberos delegation model, ie: forwardable and proxiable tickets.
  Deprecated | A program element annotated `@Deprecated` is one that programmers are discouraged from using.
  DeprecatedTree | A tree node for an @deprecated block tag.
  Deque<E> | A linear collection that supports element insertion and removal at both ends.
  Description | Annotation that describes an element by using a sentence or two.
  Descriptor | Additional metadata for a JMX element.
  DescriptorAccess | This interface is used to gain access to descriptors of the Descriptor class which are associated with a JMX component, i.e.
  DescriptorKey | Meta-annotation that describes how an annotation element relates to a field in a `Descriptor`.
  DescriptorRead | Interface to read the Descriptor of a management interface element such as an MBeanInfo.
  DescriptorSupport | This class represents the metadata set for a ModelMBean element.
  DESedeKeySpec | This class specifies a DES-EDE ("triple-DES") key.
  DesignMode | This interface is intended to be implemented by, or delegated from, instances of java.beans.beancontext.BeanContext, in order to propagate to its nested hierarchy of java.beans.beancontext.BeanContextChild instances, the current "designTime" property.
  DESKeySpec | This class specifies a DES key.
  Desktop | The `Desktop` class allows interact with various desktop capabilities.
  Desktop.Action | Represents an action type.
  DesktopIconUI | Pluggable look and feel interface for JDesktopIcon.
  DesktopManager | DesktopManager objects are owned by a JDesktopPane object.
  DesktopPaneUI | Pluggable look and feel interface for JDesktopPane.
  Destination | Class `Destination` is a printing attribute class, a `URI`, that is used to indicate an alternate destination for the spooled printer formatted data.
  Destroyable | Objects such as credentials may optionally implement this interface to provide the capability to destroy its contents.
  DestroyFailedException | Signals that a `destroy` operation failed.
  DGC | The DGC abstraction is used for the server side of the distributed garbage collection algorithm.
  DHGenParameterSpec | This class specifies the set of parameters used for generating Diffie-Hellman (system) parameters for use in Diffie-Hellman key agreement.
  DHKey | The interface to a Diffie-Hellman key.
  DHParameterSpec | This class specifies the set of parameters used with the Diffie-Hellman algorithm, as specified in PKCS #3: Diffie-Hellman Key-Agreement Standard.
  DHPrivateKey | The interface to a Diffie-Hellman private key.
  DHPrivateKeySpec | This class specifies a Diffie-Hellman private key with its associated parameters.
  DHPublicKey | The interface to a Diffie-Hellman public key.
  DHPublicKeySpec | This class specifies a Diffie-Hellman public key with its associated parameters.
  Diag | Diagnostic information for a Snippet.
  Diagnostic<S> | Interface for diagnostics from tools.
  Diagnostic | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  Diagnostic.Kind | Kinds of diagnostics, for example, error or warning.
  Diagnostic.Kind | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  DiagnosticCollector<S> | Provides an easy way to collect diagnostics in a list.
  DiagnosticCommandMBean | Management interface for the diagnostic commands for the HotSpot Virtual Machine.
  DiagnosticListener<S> | Interface for receiving diagnostics from tools.
  DiagnosticListener | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  Dialog | A Dialog is a top-level window with a title and a border that is typically used to take some form of input from the user.
  Dialog.ModalExclusionType | Any top-level window can be marked not to be blocked by modal dialogs.
  Dialog.ModalityType | Modal dialogs block all input to some top-level windows.
  DialogOwner | An attribute class used to support requesting a print or page setup dialog be kept displayed on top of all windows or some specific window.
  DialogTypeSelection | Class `DialogTypeSelection` is a printing attribute class, an enumeration, that indicates the user dialog type to be used for specifying printing options.
  Dictionary<K,​V> | The `Dictionary` class is the abstract parent of any class, such as `Hashtable`, which maps keys to values.
  DigestException | This is the generic Message Digest exception.
  DigestInputStream | A transparent stream that updates the associated message digest using the bits going through the stream.
  DigestMethod | A representation of the XML `DigestMethod` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
  DigestMethodParameterSpec | A specification of algorithm parameters for a `DigestMethod` algorithm.
  DigestOutputStream | A transparent stream that updates the associated message digest using the bits going through the stream.
  Dimension | The `Dimension` class encapsulates the width and height of a component (in integer precision) in a single object.
  Dimension2D | The `Dimension2D` class is to encapsulate a width and a height dimension.
  DimensionUIResource | A subclass of `Dimension` that implements `UIResource`.
  DirContext | The directory service interface, containing methods for examining and updating attributes associated with objects, and for searching the directory.
  DirectColorModel | The `DirectColorModel` class is a `ColorModel` class that works with pixel values that represent RGB color and alpha information as separate samples and that pack all samples for a single pixel into a single int, short, or byte quantity.
  DirectExecutionControl | An `ExecutionControl` implementation that runs in the current process.
  DirectiveTree | A super-type for all the directives in a ModuleTree.
  DirectoryIteratorException | Runtime exception thrown if an I/O error is encountered when iterating over the entries in a directory.
  DirectoryManager | This class contains methods for supporting `DirContext` implementations.
  DirectoryNotEmptyException | Checked exception thrown when a file system operation fails because a directory is not empty.
  DirectoryStream<T> | An object to iterate over the entries in a directory.
  DirectoryStream.Filter<T> | An interface that is implemented by objects that decide if a directory entry should be accepted or filtered.
  DirObjectFactory | This interface represents a factory for creating an object given an object and attributes about the object.
  DirStateFactory | This interface represents a factory for obtaining the state of an object and corresponding attributes for binding.
  DirStateFactory.Result | An object/attributes pair for returning the result of DirStateFactory.getStateToBind().
  DisplayMode | The `DisplayMode` class encapsulates the bit depth, height, width, and refresh rate of a `GraphicsDevice`.
  DnDConstants | This class contains constant values representing the type of action(s) to be performed by a Drag and Drop operation.
  Doc | Deprecated, for removal: This API element is subject to removal in a future version. The declarations in this package have been superseded by those in the package `jdk.javadoc.doclet`.
  Doc | Interface `Doc` specifies the interface for an object that supplies one piece of print data for a Print Job.
  DocAttribute | Interface `DocAttribute` is a tagging interface which a printing attribute class implements to indicate the attribute denotes a setting for a doc.
  DocAttributeSet | Interface `DocAttributeSet` specifies the interface for a set of doc attributes, i.e. printing attributes that implement interface `DocAttribute`.
  DocCommentTree | The top level representation of a documentation comment.
  DocErrorReporter | Deprecated, for removal: This API element is subject to removal in a future version. The declarations in this package have been superseded by those in the package `jdk.javadoc.doclet`.
  DocFlavor | Class `DocFlavor` encapsulates an object that specifies the format in which print data is supplied to a `DocPrintJob`.
  DocFlavor.BYTE_ARRAY | Class `DocFlavor.BYTE_ARRAY` provides predefined static constant `DocFlavor` objects for example doc flavors using a byte array (`byte[]`) as the print data representation class.
  DocFlavor.CHAR_ARRAY | Class `DocFlavor.CHAR_ARRAY` provides predefined static constant `DocFlavor` objects for example doc flavors using a character array (`char[]`) as the print data representation class.
  DocFlavor.INPUT_STREAM | Class `DocFlavor.INPUT_STREAM` provides predefined static constant `DocFlavor` objects for example doc flavors using a byte stream (`java.io.InputStream`) as the print data representation class.
  DocFlavor.READER | Class `DocFlavor.READER` provides predefined static constant `DocFlavor` objects for example doc flavors using a character stream (`java.io.Reader`) as the print data representation class.
  DocFlavor.SERVICE_FORMATTED | Class `DocFlavor.SERVICE_FORMATTED` provides predefined static constant `DocFlavor` objects for example doc flavors for service formatted print data.
  DocFlavor.STRING | Class `DocFlavor.STRING` provides predefined static constant `DocFlavor` objects for example doc flavors using a string (`java.lang.String`) as the print data representation class.
  DocFlavor.URL | Class `DocFlavor.URL` provides predefined static constant `DocFlavor` objects.
  Doclet | Deprecated, for removal: This API element is subject to removal in a future version. The declarations in this package have been superseded by those in the package `jdk.javadoc.doclet`.
  Doclet | The user doclet must implement this interface, as described in the package description.
  Doclet.Option | An encapsulation of option name, aliases, parameters and descriptions as used by the Doclet.
  Doclet.Option.Kind | The kind of an option.
  DocletEnvironment | Represents the operating environment of a single invocation of the doclet.
  DocletEnvironment.ModuleMode |
  DocPrintJob | This interface represents a print job that can print a specified document with a set of job attributes.
  DocRootTree | A tree node for an @docroot inline tag.
  DocSourcePositions | Provides methods to obtain the position of a DocTree within a javadoc comment.
  DocTree | Common interface for all nodes in a documentation syntax tree.
  DocTree.Kind | Enumerates all kinds of trees.
  DocTreeFactory | Factory for creating `DocTree` nodes.
  DocTreePath | A path of tree nodes, typically used to represent the sequence of ancestor nodes of a tree node up to the top level DocCommentTree node.
  DocTreePathScanner<R,​P> | A DocTreeVisitor that visits all the child tree nodes, and provides support for maintaining a path for the parent nodes.
  DocTrees | Provides access to syntax trees for doc comments.
  DocTreeScanner<R,​P> | A TreeVisitor that visits all the child tree nodes.
  DocTreeVisitor<R,​P> | A visitor of trees, in the style of the visitor design pattern.
  DocTypeTree | A tree node for a `doctype` declaration.
  Document | The `Document` is a container for text that serves as the model for swing text components.
  Document | The `Document` interface represents the entire HTML or XML document.
  DocumentationTool | Interface to invoke Java™ programming language documentation tools from programs.
  DocumentationTool.DocumentationTask | Interface representing a future for a documentation task.
  DocumentationTool.Location | Locations specific to `DocumentationTool`.
  DocumentBuilder | Defines the API to obtain DOM Document instances from an XML document.
  DocumentBuilderFactory | Defines a factory API that enables applications to obtain a parser that produces DOM object trees from XML documents.
  DocumentCSS | This interface represents a document with a CSS view.
  Documented | If the annotation `@Documented` is present on the declaration of an annotation type A, then any `@A` annotation on an element is considered part of the element's public contract.
  DocumentEvent | Interface for document change notifications.
  DocumentEvent | The `DocumentEvent` interface provides a mechanism by which the user can create an Event of a type supported by the implementation.
  DocumentEvent.ElementChange | Describes changes made to a specific element.
  DocumentEvent.EventType | Enumeration for document event types
  DocumentFilter | `DocumentFilter`, as the name implies, is a filter for the `Document` mutation methods.
  DocumentFilter.FilterBypass | Used as a way to circumvent calling back into the Document to change it.
  DocumentFragment | `DocumentFragment` is a "lightweight" or "minimal" `Document` object.
  DocumentHandler | Deprecated. This interface has been replaced by the SAX2 `ContentHandler` interface, which includes Namespace support.
  DocumentListener | Interface for an observer to register to receive notifications of changes to a text document.
  DocumentName | Class `DocumentName` is a printing attribute class, a text attribute, that specifies the name of a document.
  DocumentParser | A Parser for HTML Documents (actually, you can specify a DTD, but you should really only use this class with the html dtd in swing).
  DocumentRange | See also the Document Object Model (DOM) Level 2 Traversal and Range Specification.
  DocumentStyle | The `DocumentStyle` interface provides a mechanism by which the style sheets embedded in a document can be retrieved.
  DocumentTraversal | `DocumentTraversal` contains methods that create `NodeIterators` and `TreeWalkers` to traverse a node and its children in document order (depth first, pre-order traversal, which is equivalent to the order in which the start tags occur in the text representation of the document).
  DocumentType | Each `Document` has a `doctype` attribute whose value is either `null` or a `DocumentType` object.
  DocumentView | The `DocumentView` interface is implemented by `Document` objects in DOM implementations supporting DOM Views.
  DomainCombiner | A `DomainCombiner` provides a means to dynamically update the ProtectionDomains associated with the current `AccessControlContext`.
  DomainLoadStoreParameter | Configuration data that specifies the keystores in a keystore domain.
  DOMConfiguration | The `DOMConfiguration` interface represents the configuration of a document and maintains a table of recognized parameters.
  DOMCryptoContext | This class provides a DOM-specific implementation of the `XMLCryptoContext` interface.
  DOMError | `DOMError` is an interface that describes an error.
  DOMErrorHandler | `DOMErrorHandler` is a callback interface that the DOM implementation can call when reporting errors that happens while processing XML data, or when doing some other processing (e.g. validating a document).
  DOMException | DOM operations only raise exceptions in "exceptional" circumstances, i.e., when an operation is impossible to perform (either for logical reasons, because data is lost, or because the implementation has become unstable).
  DOMImplementation | The `DOMImplementation` interface provides a number of methods for performing operations that are independent of any particular instance of the document object model.
  DOMImplementationCSS | This interface allows the DOM user to create a `CSSStyleSheet` outside the context of a document.
  DOMImplementationList | The `DOMImplementationList` interface provides the abstraction of an ordered collection of DOM implementations, without defining or constraining how this collection is implemented.
  DOMImplementationLS | `DOMImplementationLS` contains the factory methods for creating Load and Save objects.
  DOMImplementationRegistry | A factory that enables applications to obtain instances of `DOMImplementation`.
  DOMImplementationSource | This interface permits a DOM implementer to supply one or more implementations, based upon requested features and versions, as specified in DOM Features.
  DOMLocator | Indicates the position of a node in a source DOM, intended primarily for error reporting.
  DOMLocator | `DOMLocator` is an interface that describes a location (e.g.
  DOMResult | Acts as a holder for a transformation result tree in the form of a Document Object Model (DOM) tree.
  DOMSignContext | A DOM-specific `XMLSignContext`.
  DOMSource | Acts as a holder for a transformation Source tree in the form of a Document Object Model (DOM) tree.
  DOMStringList | The `DOMStringList` interface provides the abstraction of an ordered collection of `DOMString` values, without defining or constraining how this collection is implemented.
  DOMStructure | A DOM-specific `XMLStructure`.
  DOMURIReference | A DOM-specific `URIReference`.
  DOMValidateContext | A DOM-specific `XMLValidateContext`.
  DosFileAttributes | File attributes associated with a file in a file system that supports legacy "DOS" attributes.
  DosFileAttributeView | A file attribute view that provides a view of the legacy "DOS" file attributes.
  Double | The `Double` class wraps a value of the primitive type `double` in an object.
  DoubleAccumulator | One or more variables that together maintain a running `double` value updated using a supplied function.
  DoubleAdder | One or more variables that together maintain an initially zero `double` sum.
  DoubleBinaryOperator | Represents an operation upon two `double`-valued operands and producing a `double`-valued result.
  DoubleBuffer | A double buffer.
  DoubleConsumer | Represents an operation that accepts a single `double`-valued argument and returns no result.
  DoubleFunction<R> | Represents a function that accepts a double-valued argument and produces a result.
  DoublePredicate | Represents a predicate (boolean-valued function) of one `double`-valued argument.
  DoubleStream | A sequence of primitive double-valued elements supporting sequential and parallel aggregate operations.
  DoubleStream.Builder | A mutable builder for a `DoubleStream`.
  DoubleSummaryStatistics | A state object for collecting statistics such as count, min, max, sum, and average.
  DoubleSupplier | Represents a supplier of `double`-valued results.
  DoubleToIntFunction | Represents a function that accepts a double-valued argument and produces an int-valued result.
  DoubleToLongFunction | Represents a function that accepts a double-valued argument and produces a long-valued result.
  DoubleType | The type of all primitive double values accessed in the target VM.
  DoubleUnaryOperator | Represents an operation on a single `double`-valued operand that produces a `double`-valued result.
  DoubleValue | Provides access to a primitive `double` value in the target VM.
  DoWhileLoopTree | A tree node for a `do` statement.
  DoWhileLoopTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  DragGestureEvent | A `DragGestureEvent` is passed to `DragGestureListener`'s dragGestureRecognized() method when a particular `DragGestureRecognizer` detects that a platform dependent drag initiating gesture has occurred on the `Component` that it is tracking.
  DragGestureListener | The listener interface for receiving drag gesture events.
  DragGestureRecognizer | The `DragGestureRecognizer` is an abstract base class for the specification of a platform-dependent listener that can be associated with a particular `Component` in order to identify platform-dependent drag initiating gestures.
  DragSource | The `DragSource` is the entity responsible for the initiation of the Drag and Drop operation, and may be used in a number of scenarios: 1 default instance per JVM for the lifetime of that JVM.
  DragSourceAdapter | An abstract adapter class for receiving drag source events.
  DragSourceContext | The `DragSourceContext` class is responsible for managing the initiator side of the Drag and Drop protocol.
  DragSourceDragEvent | The `DragSourceDragEvent` is delivered from the `DragSourceContextPeer`, via the `DragSourceContext`, to the `DragSourceListener` registered with that `DragSourceContext` and with its associated `DragSource`.
  DragSourceDropEvent | The `DragSourceDropEvent` is delivered from the `DragSourceContextPeer`, via the `DragSourceContext`, to the `dragDropEnd` method of `DragSourceListener`s registered with that `DragSourceContext` and with its associated `DragSource`.
  DragSourceEvent | This class is the base class for `DragSourceDragEvent` and `DragSourceDropEvent`.
  DragSourceListener | The `DragSourceListener` defines the event interface for originators of Drag and Drop operations to track the state of the user's gesture, and to provide appropriate "drag over" feedback to the user throughout the Drag and Drop operation.
  DragSourceMotionListener | A listener interface for receiving mouse motion events during a drag operation.
  DrbgParameters | This class specifies the parameters used by a DRBG (Deterministic Random Bit Generator).
  DrbgParameters.Capability | The reseedable and prediction resistance capabilities of a DRBG.
  DrbgParameters.Instantiation | DRBG parameters for instantiation.
  DrbgParameters.NextBytes | DRBG parameters for random bits generation.
  DrbgParameters.Reseed | DRBG parameters for reseed.
  Driver | The interface that every driver class must implement.
  DriverAction | An interface that must be implemented when a Driver wants to be notified by `DriverManager`.
  DriverManager | The basic service for managing a set of JDBC drivers.
  DriverPropertyInfo | Driver properties for making a connection.
  DropMode | Drop modes, used to determine the method by which a component tracks and indicates a drop location during drag and drop.
  DropTarget | The `DropTarget` is associated with a `Component` when that `Component` wishes to accept drops during Drag and Drop operations.
  DropTarget.DropTargetAutoScroller | this protected nested class implements autoscrolling
  DropTargetAdapter | An abstract adapter class for receiving drop target events.
  DropTargetContext | A `DropTargetContext` is created whenever the logical cursor associated with a Drag and Drop operation coincides with the visible geometry of a `Component` associated with a `DropTarget`.
  DropTargetDragEvent | The `DropTargetDragEvent` is delivered to a `DropTargetListener` via its dragEnter() and dragOver() methods.
  DropTargetDropEvent | The `DropTargetDropEvent` is delivered via the `DropTargetListener` drop() method.
  DropTargetEvent | The `DropTargetEvent` is the base class for both the `DropTargetDragEvent` and the `DropTargetDropEvent`.
  DropTargetListener | The `DropTargetListener` interface is the callback interface used by the `DropTarget` class to provide notification of DnD operations that involve the subject `DropTarget`.
  DSAGenParameterSpec | This immutable class specifies the set of parameters used for generating DSA parameters as specified in FIPS 186-3 Digital Signature Standard (DSS).
  DSAKey | The interface to a DSA public or private key.
  DSAKeyPairGenerator | An interface to an object capable of generating DSA key pairs.
  DSAParameterSpec | This class specifies the set of parameters used with the DSA algorithm.
  DSAParams | Interface to a DSA-specific set of key parameters, which defines a DSA key family.
  DSAPrivateKey | The standard interface to a DSA private key.
  DSAPrivateKeySpec | This class specifies a DSA private key with its associated parameters.
  DSAPublicKey | The interface to a DSA public key.
  DSAPublicKeySpec | This class specifies a DSA public key with its associated parameters.
  DTD | The representation of an SGML DTD.
  DTD | This is the top level interface for events dealing with DTDs
  DTDConstants | SGML constants used in a DTD.
  DTDHandler | Receive notification of basic DTD-related events.
  DuplicateFormatFlagsException | Unchecked exception thrown when duplicate flags are provided in the format specifier.
  DuplicateRequestException | Thrown to indicate a duplicate event request.
  Duration | A time-based amount of time, such as '34.5 seconds'.
  Duration | Immutable representation of a time span as defined in the W3C XML Schema 1.0 specification.
  DynamicLinker | The linker for `RelinkableCallSite` objects.
  DynamicLinkerFactory | A factory class for creating `DynamicLinker` objects.
  DynamicMBean | Defines the methods that should be implemented by a Dynamic MBean (MBean that exposes a dynamic management interface).
  ECField | This interface represents an elliptic curve (EC) finite field.
  ECFieldF2m | This immutable class defines an elliptic curve (EC) characteristic 2 finite field.
  ECFieldFp | This immutable class defines an elliptic curve (EC) prime finite field.
  ECGenParameterSpec | This immutable class specifies the set of parameters used for generating elliptic curve (EC) domain parameters.
  ECKey | The interface to an elliptic curve (EC) key.
  ECParameterSpec | This immutable class specifies the set of domain parameters used with elliptic curve cryptography (ECC).
  ECPoint | This immutable class represents a point on an elliptic curve (EC) in affine coordinates.
  ECPrivateKey | The interface to an elliptic curve (EC) private key.
  ECPrivateKeySpec | This immutable class specifies an elliptic curve private key with its associated parameters.
  ECPublicKey | The interface to an elliptic curve (EC) public key.
  ECPublicKeySpec | This immutable class specifies an elliptic curve public key with its associated parameters.
  EditorKit | Establishes the set of things needed by a text component to be a reasonably functioning editor for some type of text content.
  Element | Represents a program element such as a module, package, class, or method.
  Element | Interface to describe a structural piece of a document.
  Element | An element as described in a DTD using the ELEMENT construct.
  Element | The `Element` interface represents an element in an HTML or XML document.
  ElementCSSInlineStyle | Inline style information attached to elements is exposed through the `style` attribute.
  ElementFilter | Filters for selecting just the elements of interest from a collection of elements.
  ElementIterator | ElementIterator, as the name suggests, iterates over the Element tree.
  ElementKind | The `kind` of an element.
  ElementKindVisitor6<R,​P> | A visitor of program elements based on their kind with default behavior appropriate for the `RELEASE_6` source version.
  ElementKindVisitor7<R,​P> | A visitor of program elements based on their kind with default behavior appropriate for the `RELEASE_7` source version.
  ElementKindVisitor8<R,​P> | A visitor of program elements based on their kind with default behavior appropriate for the `RELEASE_8` source version.
  ElementKindVisitor9<R,​P> | A visitor of program elements based on their kind with default behavior appropriate for source versions `RELEASE_9` through `RELEASE_11`.
  Elements | Utility methods for operating on program elements.
  Elements.Origin | The origin of an element or other language model item.
  ElementScanner6<R,​P> | A scanning visitor of program elements with default behavior appropriate for the `RELEASE_6` source version.
  ElementScanner7<R,​P> | A scanning visitor of program elements with default behavior appropriate for the `RELEASE_7` source version.
  ElementScanner8<R,​P> | A scanning visitor of program elements with default behavior appropriate for the `RELEASE_8` source version.
  ElementScanner9<R,​P> | A scanning visitor of program elements with default behavior appropriate for source versions `RELEASE_9` through `RELEASE_11`.
  ElementTraversal | The `ElementTraversal` interface is a set of read-only attributes which allow an author to easily navigate between elements in a document.
  ElementType | The constants of this enumerated type provide a simple classification of the syntactic locations where annotations may appear in a Java program.
  ElementVisitor<R,​P> | A visitor of program elements, in the style of the visitor design pattern.
  Ellipse2D | The `Ellipse2D` class describes an ellipse that is defined by a framing rectangle.
  Ellipse2D.Double | The `Double` class defines an ellipse specified in `double` precision.
  Ellipse2D.Float | The `Float` class defines an ellipse specified in `float` precision.
  EllipticCurve | This immutable class holds the necessary values needed to represent an elliptic curve.
  EmptyBorder | A class which provides an empty, transparent border which takes up space but does no drawing.
  EmptyStackException | Thrown by methods in the `Stack` class to indicate that the stack is empty.
  EmptyStatementTree | A tree node for an empty (skip) statement.
  EmptyStatementTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  Enabled | Event annotation, determines if an event should be enabled by default.
  EncodedKeySpec | This class represents a public or private key in encoded format.
  Encoder | An `Encoder` is a class which can be used to create files or streams that encode the state of a collection of JavaBeans in terms of their public APIs.
  EncryptedPrivateKeyInfo | This class implements the `EncryptedPrivateKeyInfo` type as defined in PKCS #8.
  EncryptionKey | This class encapsulates an EncryptionKey used in Kerberos.
  EndDocument | A marker interface for the end of the document
  EndElement | An interface for the end element event.
  EndElementTree | A tree node for the end of an HTML element.
  EnhancedForLoopTree | A tree node for an "enhanced" `for` loop statement.
  Entity | An entity is described in a DTD using the ENTITY construct.
  Entity | This interface represents a known entity, either parsed or unparsed, in an XML document.
  EntityDeclaration | An interface for handling Entity Declarations This interface is used to record and report unparsed entity declarations.
  EntityReference | An interface for handling Entity events.
  EntityReference | `EntityReference` nodes may be used to represent an entity reference in the tree.
  EntityResolver | Basic interface for resolving entities.
  EntityResolver2 | Extended interface for mapping external entity references to input sources, or providing a missing external subset.
  EntityTree | A tree node for an HTML entity.
  Enum<E extends Enum<E>> | This is the common base class of all Java language enumeration types.
  EnumConstantNotPresentException | Thrown when an application tries to access an enum constant by name and the enum type contains no constant with the specified name.
  EnumControl | An `EnumControl` provides control over a set of discrete possible values, each represented by an object.
  EnumControl.Type | An instance of the `EnumControl.Type` inner class identifies one kind of enumerated control.
  Enumeration<E> | An object that implements the Enumeration interface generates a series of elements, one at a time.
  EnumMap<K extends Enum<K>,​V> | A specialized `Map` implementation for use with enum type keys.
  EnumSet<E extends Enum<E>> | A specialized `Set` implementation for use with enum types.
  EnumSyntax | Class `EnumSyntax` is an abstract base class providing the common implementation of all "type safe enumeration" objects.
  EOFException | Signals that an end of file or end of stream has been reached unexpectedly during input.
  Era | An era of the time-line.
  ErroneousSnippet | A snippet of code that is not valid Java programming language code.
  ErroneousTree | A tree node to stand in for a malformed text
  ErroneousTree | A tree node to stand in for a malformed expression.
  ErroneousTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  Error | An `Error` is a subclass of `Throwable` that indicates serious problems that a reasonable application should not try to catch.
  ErrorHandler | Basic interface for SAX error handlers.
  ErrorListener | To provide customized error handling, implement this interface and use the `setErrorListener` method to register an instance of the implementation with the `Transformer`.
  ErrorManager | ErrorManager objects can be attached to Handlers to process any error that occurs on a Handler during Logging.
  ErrorType | Represents a class or interface type that cannot be properly modeled.
  EtchedBorder | A class which implements a simple etched border which can either be etched-in or etched-out.
  EvalException | Wraps an throwable thrown in the executing client.
  Event | An occurrence in a target VM that is of interest to a debugger.
  Event | Deprecated. It is recommended that `AWTEvent` and its subclasses be used instead
  Event | Base class for events, to be subclassed in order to define events and their fields.
  Event | The `Event` interface is used to provide contextual information about an event to the handler processing the event.
  EventContext | Contains methods for registering/deregistering listeners to be notified of events fired when objects named in a context changes.
  EventDirContext | Contains methods for registering listeners to be notified of events fired when objects named in a directory context changes.
  EventException | Event operations may throw an `EventException` as specified in their method descriptions.
  EventFactory | Class for defining an event at runtime.
  EventFilter | This interface declares a simple filter interface that one can create to filter XMLEventReaders
  EventHandler | The `EventHandler` class provides support for dynamically generating event listeners whose methods execute a simple statement involving an incoming event object and a target object.
  EventID | EventID contains integer constants that map to event support in AWT and Swing.
  EventIterator | EventIterators are unmodifiable.
  EventListener | A tagging interface that all event listener interfaces must extend.
  EventListener | The `EventListener` interface is the primary method for handling events.
  EventListenerList | A class that holds a list of EventListeners.
  EventListenerProxy<T extends EventListener> | An abstract wrapper class for an `EventListener` class which associates a set of additional parameters with the listener.
  EventObject | The root class from which all event state objects shall be derived.
  EventQueue | Manager of incoming debugger events for a target VM.
  EventQueue | `EventQueue` is a platform-independent class that queues events, both from the underlying peer classes and from trusted application classes.
  EventQueueMonitor | The `EventQueueMonitor` class provides key core functionality for Assistive Technologies (and other system-level technologies that need some of the same things that Assistive Technology needs).
  EventReaderDelegate | This is the base class for deriving an XMLEventReader filter.
  EventRequest | Represents a request for notification of an event.
  EventRequestManager | Manages the creation and deletion of `EventRequest`s.
  EventSet | Several `Event` objects may be created at a given time by the target `VirtualMachine`.
  EventSetDescriptor | An EventSetDescriptor describes a group of events that a given Java bean fires.
  EventSettings | Convenience class for applying event settings to a recording.
  EventTarget | The `EventTarget` interface is implemented by all `Nodes` in an implementation which supports the DOM Event Model.
  EventType | Describes an event, its fields, settings and annotations.
  EventTypeInfo | Management representation of an `EventType`.
  ExcC14NParameterSpec | Parameters for the W3C Recommendation: Exclusive XML Canonicalization (C14N) algorithm.
  Exception | The class `Exception` and its subclasses are a form of `Throwable` that indicates conditions that a reasonable application might want to catch.
  ExceptionEvent | Notification of an exception in the target VM.
  ExceptionInInitializerError | Signals that an unexpected exception has occurred in a static initializer.
  ExceptionListener | An ExceptionListener is notified of internal exceptions.
  ExceptionRequest | Request for notification when an exception occurs in the target VM.
  Exchanger<V> | A synchronization point at which threads can pair and swap elements within pairs.
  Executable | A shared superclass for the common functionality of `Method` and `Constructor`.
  ExecutableElement | Represents a method, constructor, or initializer (static or instance) of a class or interface, including annotation type elements.
  ExecutableMemberDoc | Deprecated, for removal: This API element is subject to removal in a future version. The declarations in this package have been superseded by those in the package `jdk.javadoc.doclet`.
  ExecutableType | Represents the type of an executable.
  ExecutionControl | This interface specifies the functionality that must provided to implement a pluggable JShell execution engine.
  ExecutionControl.ClassBytecodes | Bundles class name with class bytecodes.
  ExecutionControl.ClassInstallException | A class install (load or redefine) encountered a problem.
  ExecutionControl.EngineTerminationException | Unbidden execution engine termination has occurred.
  ExecutionControl.ExecutionControlException | The abstract base of all `ExecutionControl` exceptions.
  ExecutionControl.InternalException | An internal problem has occurred.
  ExecutionControl.NotImplementedException | The command is not implemented.
  ExecutionControl.ResolutionException | An exception indicating that a `DeclarationSnippet` with unresolved references has been encountered.
  ExecutionControl.RunException | The abstract base of of exceptions specific to running user code.
  ExecutionControl.StoppedException | An exception indicating that an `ExecutionControl.invoke(java.lang.String, java.lang.String)` (or theoretically a `ExecutionControl.varValue(java.lang.String, java.lang.String)`) has been interrupted by a `ExecutionControl.stop()`.
  ExecutionControl.UserException | A 'normal' user exception occurred.
  ExecutionControlProvider | The provider used by JShell to generate the execution engine needed to evaluate Snippets.
  ExecutionEnv | Functionality made available to a pluggable JShell execution engine.
  ExecutionException | Exception thrown when attempting to retrieve the result of a task that aborted by throwing an exception.
  Executor | An object that executes submitted `Runnable` tasks.
  ExecutorCompletionService<V> | A `CompletionService` that uses a supplied `Executor` to execute tasks.
  Executors | Factory and utility methods for `Executor`, `ExecutorService`, `ScheduledExecutorService`, `ThreadFactory`, and `Callable` classes defined in this package.
  ExecutorService | An `Executor` that provides methods to manage termination and methods that can produce a `Future` for tracking progress of one or more asynchronous tasks.
  ExemptionMechanism | This class provides the functionality of an exemption mechanism, examples of which are key recovery, key weakening, and key escrow.
  ExemptionMechanismException | This is the generic ExemptionMechanism exception.
  ExemptionMechanismSpi | This class defines the Service Provider Interface (SPI) for the `ExemptionMechanism` class.
  ExifGPSTagSet | A class representing the tags found in an Exif GPS Info IFD.
  ExifInteroperabilityTagSet | A class representing the tags found in an Exif Interoperability IFD.
  ExifParentTIFFTagSet | A class containing the TIFF tags used to reference the Exif and GPS IFDs.
  ExifTIFFTagSet | A class representing the tags found in an Exif IFD.
  ExpandVetoException | Exception used to stop an expand/collapse from happening.
  Experimental | Annotation that specifies that an element is experimental and may change without notice.
  ExportEntryTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  ExportException | An `ExportException` is a `RemoteException` thrown if an attempt to export a remote object fails.
  ExportsTree | A tree node for an 'exports' directive in a module declaration.
  Expression | An `Expression` object represents a primitive expression in which a single method is applied to a target and a set of arguments to return a result - as in `"a.getFoo()"`.
  ExpressionSnippet | Snippet for an assignment or variable-value expression.
  ExpressionStatementTree | A tree node for an expression statement.
  ExpressionStatementTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  ExpressionTree | A tree node used as the base class for the different types of expressions.
  ExpressionTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  ExtendedGSSContext | The extended GSSContext interface for supporting additional functionalities not defined by `org.ietf.jgss.GSSContext`, such as querying context-specific attributes.
  ExtendedGSSCredential | The extended GSSCredential interface for supporting additional functionalities not defined by `org.ietf.jgss.GSSCredential`.
  ExtendedRequest | This interface represents an LDAPv3 extended operation request as defined in RFC 2251.
  ExtendedResponse | This interface represents an LDAP extended operation response as defined in RFC 2251.
  ExtendedSocketOptions | Defines extended socket options, beyond those defined in `StandardSocketOptions`.
  ExtendedSSLSession | Extends the `SSLSession` interface to support additional session attributes.
  Extension | This interface represents an X.509 extension.
  Externalizable | Only the identity of the class of an Externalizable instance is written in the serialization stream and it is the responsibility of the class to save and restore the contents of its instances.
  FactoryConfigurationError | Thrown when a problem with configuration with the Parser Factories exists.
  FactoryConfigurationError | An error class for reporting factory configuration errors.
  FailedLoginException | Signals that user authentication failed.
  FailOverExecutionControlProvider | Tries other providers in sequence until one works.
  FaxTIFFTagSet | A class representing the extra tags found in a TIFF-F (RFC 2036) file.
  FeatureDescriptor | The FeatureDescriptor class is the common baseclass for PropertyDescriptor, EventSetDescriptor, and MethodDescriptor, etc.
  Fidelity | Class `Fidelity` is a printing attribute class, an enumeration, that indicates whether total fidelity to client supplied print request attributes is required.
  Field | A class or instance variable in the target VM.
  Field | A `Field` provides information about, and dynamic access to, a single field of a class or an interface.
  FieldDoc | Deprecated, for removal: This API element is subject to removal in a future version. The declarations in this package have been superseded by those in the package `jdk.javadoc.doclet`.
  FieldPosition | `FieldPosition` is a simple class used by `Format` and its subclasses to identify fields in formatted output.
  FieldView | Extends the multi-line plain text view to be suitable for a single-line editor view.
  File | An abstract representation of file and directory pathnames.
  FileAlreadyExistsException | Checked exception thrown when an attempt is made to create a file or directory and a file of that name already exists.
  FileAttribute<T> | An object that encapsulates the value of a file attribute that can be set atomically when creating a new file or directory by invoking the `createFile` or `createDirectory` methods.
  FileAttributeView | An attribute view that is a read-only or updatable view of non-opaque values associated with a file in a filesystem.
  FileCacheImageInputStream | An implementation of `ImageInputStream` that gets its input from a regular `InputStream`.
  FileCacheImageOutputStream | An implementation of `ImageOutputStream` that writes its output to a regular `OutputStream`.
  FileChannel | A channel for reading, writing, mapping, and manipulating a file.
  FileChannel.MapMode | A typesafe enumeration for file-mapping modes.
  FileChooserUI | Pluggable look and feel interface for `JFileChooser`.
  FileDescriptor | Instances of the file descriptor class serve as an opaque handle to the underlying machine-specific structure representing an open file, an open socket, or another source or sink of bytes.
  FileDialog | The `FileDialog` class displays a dialog window from which the user can select a file.
  FileFilter | A filter for abstract pathnames.
  FileFilter | `FileFilter` is an abstract class used by `JFileChooser` for filtering the set of files shown to the user.
  FileHandler | Simple file logging `Handler`.
  FileImageInputStream | An implementation of `ImageInputStream` that gets its input from a `File` or `RandomAccessFile`.
  FileImageOutputStream | An implementation of `ImageOutputStream` that writes its output directly to a `File` or `RandomAccessFile`.
  FileInputStream | A `FileInputStream` obtains input bytes from a file in a file system.
  FileLock | A token representing a lock on a region of a file.
  FileLockInterruptionException | Checked exception received by a thread when another thread interrupts it while it is waiting to acquire a file lock.
  FileNameExtensionFilter | An implementation of `FileFilter` that filters using a specified set of extensions.
  FilenameFilter | Instances of classes that implement this interface are used to filter filenames.
  FileNameMap | A simple interface which provides a mechanism to map between a file name and a MIME type string.
  FileNotFoundException | Signals that an attempt to open the file denoted by a specified pathname has failed.
  FileObject | File abstraction for tools.
  FileOutputStream | A file output stream is an output stream for writing data to a `File` or to a `FileDescriptor`.
  FileOwnerAttributeView | A file attribute view that supports reading or updating the owner of a file.
  FilePermission | This class represents access to a file or directory.
  Filer | This interface supports the creation of new files by an annotation processor.
  FileReader | Reads text from character files using a default buffer size.
  FilerException | Indicates a `Filer` detected an attempt to open a file that would violate the guarantees provided by the `Filer`.
  Files | This class consists exclusively of static methods that operate on files, directories, or other types of files.
  FilesEvent | Auxiliary event containing a list of files.
  FileStore | Storage for files.
  FileStoreAttributeView | An attribute view that is a read-only or updatable view of the attributes of a `FileStore`.
  FileSystem | Provides an interface to a file system and is the factory for objects to access files and other objects in the file system.
  FileSystemAlreadyExistsException | Runtime exception thrown when an attempt is made to create a file system that already exists.
  FileSystemException | Thrown when a file system operation fails on one or two files.
  FileSystemLoopException | Checked exception thrown when a file system loop, or cycle, is encountered.
  FileSystemNotFoundException | Runtime exception thrown when a file system cannot be found.
  FileSystemProvider | Service-provider class for file systems.
  FileSystems | Factory methods for file systems.
  FileSystemView | FileSystemView is JFileChooser's gateway to the file system.
  FileTime | Represents the value of a file's time stamp attribute.
  FileTypeDetector | A file type detector for probing a file to guess its file type.
  FileView | `FileView` defines an abstract class that can be implemented to provide the filechooser with UI information for a `File`.
  FileVisitOption | Defines the file tree traversal options.
  FileVisitor<T> | A visitor of files.
  FileVisitResult | The result type of a `FileVisitor`.
  FileWriter | Writes text to character files using a default buffer size.
  Filter | A filter used to pre- and post-process incoming requests.
  Filter | A Filter can be used to provide fine grain control over what is logged, beyond the control provided by log levels.
  Filter.Chain | a chain of filters associated with a HttpServer.
  FilteredImageSource | This class is an implementation of the ImageProducer interface which takes an existing image and a filter object and uses them to produce image data for a new filtered version of the original image.
  FilteredRowSet | The standard interface that all standard implementations of `FilteredRowSet` must implement.
  FilterInputStream | A `FilterInputStream` contains some other input stream, which it uses as its basic source of data, possibly transforming the data along the way or providing additional functionality.
  FilterOutputStream | This class is the superclass of all classes that filter output streams.
  FilterReader | Abstract class for reading filtered character streams.
  FilterWriter | Abstract class for writing filtered character streams.
  FindException | Thrown by a `ModuleFinder` when an error occurs finding a module.
  Finishings | Class `Finishings` is a printing attribute class, an enumeration, that identifies whether the printer applies a finishing operation of some kind of binding to each copy of each printed document in the job.
  FixedHeightLayoutCache | NOTE: This will become more open in a future release.
  FlatteningPathIterator | The `FlatteningPathIterator` class returns a flattened view of another `PathIterator` object.
  FlavorEvent | `FlavorEvent` is used to notify interested parties that available `DataFlavor`s have changed in the `Clipboard` (the event source).
  FlavorException | Interface `FlavorException` is a mixin interface which a subclass of `PrintException` can implement to report an error condition involving a doc flavor or flavors (class `DocFlavor`).
  FlavorListener | Defines an object which listens for `FlavorEvent`s.
  FlavorMap | A two-way Map between "natives" (Strings), which correspond to platform-specific data formats, and "flavors" (DataFlavors), which correspond to platform-independent MIME types.
  FlavorTable | A FlavorMap which relaxes the traditional 1-to-1 restriction of a Map.
  FlightRecorder | Class for accessing, controlling, and managing Flight Recorder.
  FlightRecorderListener | Callback interface to monitor Flight Recorder's life cycle.
  FlightRecorderMXBean | Management interface for controlling Flight Recorder.
  FlightRecorderPermission | Permission for controlling access to Flight Recorder.
  Float | The `Float` class wraps a value of primitive type `float` in an object.
  FloatBuffer | A float buffer.
  FloatControl | A `FloatControl` object provides control over a range of floating-point values.
  FloatControl.Type | An instance of the `FloatControl.Type` inner class identifies one kind of float control.
  FloatType | The type of all primitive float values accessed in the target VM.
  FloatValue | Provides access to a primitive `float` value in the target VM.
  Flow | Interrelated interfaces and static methods for establishing flow-controlled components in which `Publishers` produce items consumed by one or more `Subscribers`, each managed by a `Subscription`.
  Flow.Processor<T,​R> | A component that acts as both a Subscriber and Publisher.
  Flow.Publisher<T> | A producer of items (and related control messages) received by Subscribers.
  Flow.Subscriber<T> | A receiver of messages.
  Flow.Subscription | Message control linking a `Flow.Publisher` and `Flow.Subscriber`.
  FlowLayout | A flow layout arranges components in a directional flow, much like lines of text in a paragraph.
  FlowView | A View that tries to flow it's children into some partially constrained space.
  FlowView.FlowStrategy | Strategy for maintaining the physical form of the flow.
  Flushable | A `Flushable` is a destination of data that can be flushed.
  FocusAdapter | An abstract adapter class for receiving keyboard focus events.
  FocusEvent | A low-level event which indicates that a Component has gained or lost the input focus.
  FocusEvent.Cause | This enum represents the cause of a `FocusEvent`- the reason why it occurred.
  FocusListener | The listener interface for receiving keyboard focus events on a component.
  FocusManager | This class has been obsoleted by the 1.4 focus APIs.
  FocusTraversalPolicy | A FocusTraversalPolicy defines the order in which Components with a particular focus cycle root are traversed.
  Font | The `Font` class represents fonts, which are used to render text in a visible way.
  FontFormatException | Thrown by method createFont in the `Font` class to indicate that the specified font is bad.
  FontMetrics | The `FontMetrics` class defines a font metrics object, which encapsulates information about the rendering of a particular font on a particular screen.
  FontRenderContext | The `FontRenderContext` class is a container for the information needed to correctly measure text.
  FontUIResource | A subclass of java.awt.Font that implements UIResource.
  ForInLoopTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  ForkJoinPool | An `ExecutorService` for running `ForkJoinTask`s.
  ForkJoinPool.ForkJoinWorkerThreadFactory | Factory for creating new `ForkJoinWorkerThread`s.
  ForkJoinPool.ManagedBlocker | Interface for extending managed parallelism for tasks running in `ForkJoinPool`s.
  ForkJoinTask<V> | Abstract base class for tasks that run within a `ForkJoinPool`.
  ForkJoinWorkerThread | A thread managed by a `ForkJoinPool`, which executes `ForkJoinTask`s.
  ForLoopTree | A tree node for a basic `for` loop statement.
  ForLoopTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  Format | `Format` is an abstract base class for formatting locale-sensitive information such as dates, messages, and numbers.
  Format.Field | Defines constants that are used as attribute keys in the `AttributedCharacterIterator` returned from `Format.formatToCharacterIterator` and as field identifiers in `FieldPosition`.
  FormatConversionProvider | A format conversion provider provides format conversion services from one or more input formats to one or more output formats.
  FormatFlagsConversionMismatchException | Unchecked exception thrown when a conversion and flag are incompatible.
  FormatStyle | Enumeration of the style of a localized date, time or date-time formatter.
  Formattable | The `Formattable` interface must be implemented by any class that needs to perform custom formatting using the `'s'` conversion specifier of `Formatter`.
  FormattableFlags | FormattableFlags are passed to the `Formattable.formatTo()` method and modify the output format for Formattables.
  Formatter | An interpreter for printf-style format strings.
  Formatter | A Formatter provides support for formatting LogRecords.
  Formatter.BigDecimalLayoutForm | Enum for `BigDecimal` formatting.
  FormatterClosedException | Unchecked exception thrown when the formatter has been closed.
  FormSubmitEvent | FormSubmitEvent is used to notify interested parties that a form was submitted.
  FormSubmitEvent.MethodType | Represents an HTML form method type.
  FormView | Component decorator that implements the view interface for form elements, <input>, <textarea>, and <select>.
  ForOfLoopTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  ForwardingFileObject<F extends FileObject> | Forwards calls to a given file object.
  ForwardingJavaFileManager<M extends JavaFileManager> | Forwards calls to a given file manager.
  ForwardingJavaFileObject<F extends JavaFileObject> | Forwards calls to a given file object.
  Frame | A `Frame` is a top-level window with a title and a border.
  Frequency | Event field annotation, specifies that the value is a frequency, measured in Hz.
  Function<T,​R> | Represents a function that accepts one argument and produces a result.
  FunctionalInterface | An informative annotation type used to indicate that an interface type declaration is intended to be a functional interface as defined by the Java Language Specification.
  FunctionCallTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  FunctionDeclarationTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  FunctionExpressionTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  Future<V> | A `Future` represents the result of an asynchronous computation.
  FutureTask<V> | A cancellable asynchronous computation.
  GapContent | An implementation of the AbstractDocument.Content interface implemented using a gapped buffer similar to that used by emacs.
  GarbageCollectionNotificationInfo | The information about a garbage collection
  GarbageCollectorMXBean | Platform-specific management interface for a garbage collector which performs collections in cycles.
  GarbageCollectorMXBean | The management interface for the garbage collection of the Java virtual machine.
  GatheringByteChannel | A channel that can write bytes from a sequence of buffers.
  GaugeMonitor | Defines a monitor MBean designed to observe the values of a gauge attribute.
  GaugeMonitorMBean | Exposes the remote management interface of the gauge monitor MBean.
  GcInfo | Garbage collection information.
  GCMParameterSpec | Specifies the set of parameters required by a `Cipher` using the Galois/Counter Mode (GCM) mode.
  GeneralPath | The `GeneralPath` class represents a geometric path constructed from straight lines, and quadratic and cubic (Bézier) curves.
  GeneralSecurityException | The `GeneralSecurityException` class is a generic security exception class that provides type safety for all the security-related exception classes that extend from it.
  Generated | The Generated annotation is used to mark source code that has been generated.
  GenericArrayType | `GenericArrayType` represents an array type whose component type is either a parameterized type or a type variable.
  GenericDeclaration | A common interface for all entities that declare type variables.
  GenericSignatureFormatError | Thrown when a syntactically malformed signature attribute is encountered by a reflective method that needs to interpret the generic signature information for a type, method or constructor.
  GeoTIFFTagSet | A class representing the tags found in a GeoTIFF IFD.
  GlyphJustificationInfo | The `GlyphJustificationInfo` class represents information about the justification properties of a glyph.
  GlyphMetrics | The `GlyphMetrics` class represents information for a single glyph.
  GlyphVector | A `GlyphVector` object is a collection of glyphs containing geometric information for the placement of each glyph in a transformed coordinate space which corresponds to the device on which the `GlyphVector` is ultimately displayed.
  GlyphView | A GlyphView is a styled chunk of text that represents a view mapped over an element in the text model.
  GlyphView.GlyphPainter | A class to perform rendering of the glyphs.
  GotoTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  GradientPaint | The `GradientPaint` class provides a way to fill a `Shape` with a linear color gradient pattern.
  GraphicAttribute | This class is used with the CHAR_REPLACEMENT attribute.
  Graphics | The `Graphics` class is the abstract base class for all graphics contexts that allow an application to draw onto components that are realized on various devices, as well as onto off-screen images.
  Graphics2D | This `Graphics2D` class extends the `Graphics` class to provide more sophisticated control over geometry, coordinate transformations, color management, and text layout.
  GraphicsConfigTemplate | The `GraphicsConfigTemplate` class is used to obtain a valid `GraphicsConfiguration`.
  GraphicsConfiguration | The `GraphicsConfiguration` class describes the characteristics of a graphics destination such as a printer or monitor.
  GraphicsDevice | The `GraphicsDevice` class describes the graphics devices that might be available in a particular graphics environment.
  GraphicsDevice.WindowTranslucency | Kinds of translucency supported by the underlying system.
  GraphicsEnvironment | The `GraphicsEnvironment` class describes the collection of `GraphicsDevice` objects and `Font` objects available to a Java(tm) application on a particular platform.
  GrayFilter | An image filter that "disables" an image by turning it into a grayscale image, and brightening the pixels in the image.
  GregorianCalendar | `GregorianCalendar` is a concrete subclass of `Calendar` and provides the standard calendar system used by most of the world.
  GridBagConstraints | The `GridBagConstraints` class specifies constraints for components that are laid out using the `GridBagLayout` class.
  GridBagLayout | The `GridBagLayout` class is a flexible layout manager that aligns components vertically, horizontally or along their baseline without requiring that the components be of the same size.
  GridBagLayoutInfo | The `GridBagLayoutInfo` is an utility class for `GridBagLayout` layout manager.
  GridLayout | The `GridLayout` class is a layout manager that lays out a container's components in a rectangular grid.
  Group | Deprecated, for removal: This API element is subject to removal in a future version. This class is deprecated and subject to removal in a future version of Java SE.
  GroupLayout | `GroupLayout` is a `LayoutManager` that hierarchically groups components in order to position them in a `Container`.
  GroupLayout.Alignment | Enumeration of the possible ways `ParallelGroup` can align its children.
  GroupPrincipal | A `UserPrincipal` representing a group identity, used to determine access rights to objects in a file system.
  GSSContext | This interface encapsulates the GSS-API security context and provides the security services that are available over the context.
  GSSCredential | This interface encapsulates the GSS-API credentials for an entity.
  GSSException | This exception is thrown whenever a GSS-API error occurs, including any mechanism specific error.
  GSSManager | This class serves as a factory for other important GSS-API classes and also provides information about the mechanisms that are supported.
  GSSName | This interface encapsulates a single GSS-API principal entity.
  GSSUtil | GSS-API Utilities for using in conjunction with Sun Microsystem's implementation of Java GSS-API.
  Guard | This interface represents a guard, which is an object that is used to protect access to another object.
  GuardedInvocation | Represents a conditionally valid method handle.
  GuardedInvocationTransformer | Interface for objects that are used to transform one guarded invocation into another one.
  GuardedObject | A GuardedObject is an object that is used to protect access to another object.
  GuardingDynamicLinker | The base interface for language-specific dynamic linkers.
  GuardingDynamicLinkerExporter | A class acting as a supplier of guarding dynamic linkers that can be automatically loaded by other language runtimes.
  GuardingTypeConverterFactory | Optional interface that can be implemented by `GuardingDynamicLinker` implementations to provide language-specific type conversion capabilities.
  Guards | Utility methods for creating typical guards for `MethodHandles.guardWithTest(MethodHandle, MethodHandle, MethodHandle)` and for adjusting their method types.
  GUIInitializedListener | The `GUIInitializedListener` interface is used by the `EventQueueMonitor` class to notify an interested party when the GUI subsystem has been initialized.
  GZIPInputStream | This class implements a stream filter for reading compressed data in the GZIP file format.
  GZIPOutputStream | This class implements a stream filter for writing compressed data in the GZIP file format.
  Handler | A `Handler` object takes log messages from a `Logger` and exports them.
  HandlerBase | Deprecated. This class works with the deprecated `DocumentHandler` interface.
  HandlerResult | Defines notification handler results.
  HandshakeCompletedEvent | This event indicates that an SSL handshake completed on a given SSL connection.
  HandshakeCompletedListener | This interface is implemented by any class which wants to receive notifications about the completion of an SSL protocol handshake on a given SSL connection.
  HasControls | This interface is for returning controls with objects returned in NamingEnumerations.
  HashAttributeSet | Class `HashAttributeSet` provides an `AttributeSet` implementation with characteristics of a hash map.
  HashDocAttributeSet | Class `HashDocAttributeSet` provides an attribute set which inherits its implementation from class `HashAttributeSet` and enforces the semantic restrictions of interface `DocAttributeSet`.
  HashMap<K,​V> | Hash table based implementation of the `Map` interface.
  HashPrintJobAttributeSet | Class `HashPrintJobAttributeSet` provides an attribute set which inherits its implementation from class `HashAttributeSet` and enforces the semantic restrictions of interface `PrintJobAttributeSet`.
  HashPrintRequestAttributeSet | Class `HashPrintRequestAttributeSet` inherits its implementation from class `HashAttributeSet` and enforces the semantic restrictions of interface `PrintRequestAttributeSet`.
  HashPrintServiceAttributeSet | Class `HashPrintServiceAttributeSet` provides an attribute set which inherits its implementation from class `HashAttributeSet` and enforces the semantic restrictions of interface `PrintServiceAttributeSet`.
  HashSet<E> | This class implements the `Set` interface, backed by a hash table (actually a `HashMap` instance).
  Hashtable<K,​V> | This class implements a hash table, which maps keys to values.
  Headers | HTTP request and response headers are represented by this class which implements the interface `Map`<`String`, `List` <`String`>>.
  HeadlessException | Thrown when code that is dependent on a keyboard, display, or mouse is called in an environment that does not support a keyboard, display, or mouse.
  HiddenTree | A tree node for an @hidden block tag.
  HierarchyBoundsAdapter | An abstract adapter class for receiving ancestor moved and resized events.
  HierarchyBoundsListener | The listener interface for receiving ancestor moved and resized events.
  HierarchyEvent | An event which indicates a change to the `Component` hierarchy to which `Component` belongs.
  HierarchyListener | The listener interface for receiving hierarchy changed events.
  Highlighter | An interface for an object that allows one to mark up the background with colored areas.
  Highlighter.Highlight | A highlight.
  Highlighter.HighlightPainter | Highlight renderer.
  HijrahChronology | The Hijrah calendar is a lunar calendar supporting Islamic calendars.
  HijrahDate | A date in the Hijrah calendar system.
  HijrahEra | An era in the Hijrah calendar system.
  HMACParameterSpec | Parameters for the XML Signature HMAC Algorithm.
  HostnameVerifier | This class is the base interface for hostname verification.
  HotSpotDiagnosticMXBean | Diagnostic management interface for the HotSpot Virtual Machine.
  HTML | Constants used in the `HTMLDocument`.
  HTML.Attribute | Typesafe enumeration representing an HTML attribute.
  HTML.Tag | Typesafe enumeration for an HTML tag.
  HTML.UnknownTag | Class represents unknown HTML tag.
  HTMLAnchorElement | The anchor element.
  HTMLAppletElement | An embedded Java applet.
  HTMLAreaElement | Client-side image map area definition.
  HTMLBaseElement | Document base URI.
  HTMLBaseFontElement | Base font.
  HTMLBodyElement | The HTML document body.
  HTMLBRElement | Force a line break.
  HTMLButtonElement | Push button.
  HTMLCollection | An `HTMLCollection` is a list of nodes.
  HTMLDirectoryElement | Directory list.
  HTMLDivElement | Generic block container.
  HTMLDListElement | Definition list.
  HTMLDocument | A document that models HTML.
  HTMLDocument | An `HTMLDocument` is the root of the HTML hierarchy and holds the entire content.
  HTMLDocument.Iterator | An iterator to iterate over a particular type of tag.
  HTMLDOMImplementation | The `HTMLDOMImplementation` interface extends the `DOMImplementation` interface with a method for creating an HTML document instance.
  HTMLEditorKit | The Swing JEditorPane text component supports different kinds of content via a plug-in mechanism called an EditorKit.
  HTMLEditorKit.HTMLFactory | A factory to build views for HTML.
  HTMLEditorKit.HTMLTextAction | An abstract Action providing some convenience methods that may be useful in inserting HTML into an existing document.
  HTMLEditorKit.InsertHTMLTextAction | InsertHTMLTextAction can be used to insert an arbitrary string of HTML into an existing HTML document.
  HTMLEditorKit.LinkController | Class to watch the associated component and fire hyperlink events on it when appropriate.
  HTMLEditorKit.Parser | Interface to be supported by the parser.
  HTMLEditorKit.ParserCallback | The result of parsing drives these callback methods.
  HTMLElement | All HTML element interfaces derive from this class.
  HTMLFieldSetElement | Organizes form controls into logical groups.
  HTMLFontElement | Local change to font.
  HTMLFormElement | The `FORM` element encompasses behavior similar to a collection and an element.
  HTMLFrameElement | Create a frame.
  HTMLFrameHyperlinkEvent | HTMLFrameHyperlinkEvent is used to notify interested parties that link was activated in a frame.
  HTMLFrameSetElement | Create a grid of frames.
  HTMLHeadElement | Document head information.
  HTMLHeadingElement | For the `H1` to `H6` elements.
  HTMLHRElement | Create a horizontal rule.
  HTMLHtmlElement | Root of an HTML document.
  HTMLIFrameElement | Inline subwindows.
  HTMLImageElement | Embedded image.
  HTMLInputElement | Form control.
  HTMLIsIndexElement | This element is used for single-line text input.
  HTMLLabelElement | Form field label text.
  HTMLLegendElement | Provides a caption for a `FIELDSET` grouping.
  HTMLLIElement | List item.
  HTMLLinkElement | The `LINK` element specifies a link to an external resource, and defines this document's relationship to that resource (or vice versa).
  HTMLMapElement | Client-side image map.
  HTMLMenuElement | Menu list.
  HTMLMetaElement | This contains generic meta-information about the document.
  HTMLModElement | Notice of modification to part of a document.
  HTMLObjectElement | Generic embedded object.
  HTMLOListElement | Ordered list.
  HTMLOptGroupElement | Group options together in logical subdivisions.
  HTMLOptionElement | A selectable choice.
  HTMLParagraphElement | Paragraphs.
  HTMLParamElement | Parameters fed to the `OBJECT` element.
  HTMLPreElement | Preformatted text.
  HTMLQuoteElement | For the `Q` and `BLOCKQUOTE` elements.
  HTMLScriptElement | Script statements.
  HTMLSelectElement | The select element allows the selection of an option.
  HTMLStyleElement | Style information.
  HTMLTableCaptionElement | Table caption See the CAPTION element definition in HTML 4.0.
  HTMLTableCellElement | The object used to represent the `TH` and `TD` elements.
  HTMLTableColElement | Regroups the `COL` and `COLGROUP` elements.
  HTMLTableElement | The create* and delete* methods on the table allow authors to construct and modify tables.
  HTMLTableRowElement | A row in a table.
  HTMLTableSectionElement | The `THEAD` , `TFOOT` , and `TBODY` elements.
  HTMLTextAreaElement | Multi-line text field.
  HTMLTitleElement | The document title.
  HTMLUListElement | Unordered list.
  HTMLWriter | This is a writer for HTMLDocuments.
  HttpClient | An HTTP Client.
  HttpClient.Builder | A builder of HTTP Clients.
  HttpClient.Redirect | Defines the automatic redirection policy.
  HttpClient.Version | The HTTP protocol version.
  HttpConnectTimeoutException | Thrown when a connection, over which an `HttpRequest` is intended to be sent, is not successfully established within a specified time period.
  HttpContext | HttpContext represents a mapping between the root URI path of an application to a `HttpHandler` which is invoked to handle requests destined for that path on the associated HttpServer or HttpsServer.
  HttpCookie | An HttpCookie object represents an HTTP cookie, which carries state information between server and user agent.
  HttpExchange | This class encapsulates a HTTP request received and a response to be generated in one exchange.
  HttpHandler | A handler which is invoked to process HTTP exchanges.
  HttpHeaders | A read-only view of a set of HTTP headers.
  HttpPrincipal | Represents a user authenticated by HTTP Basic or Digest authentication.
  HttpRequest | An HTTP request.
  HttpRequest.BodyPublisher | A `BodyPublisher` converts high-level Java objects into a flow of byte buffers suitable for sending as a request body.
  HttpRequest.BodyPublishers | Implementations of `BodyPublisher` that implement various useful publishers, such as publishing the request body from a String, or from a file.
  HttpRequest.Builder | A builder of HTTP requests.
  HttpResponse<T> | An HTTP response.
  HttpResponse.BodyHandler<T> | A handler for response bodies.
  HttpResponse.BodyHandlers | Implementations of `BodyHandler` that implement various useful handlers, such as handling the response body as a String, or streaming the response body to a file.
  HttpResponse.BodySubscriber<T> | A `BodySubscriber` consumes response body bytes and converts them into a higher-level Java type.
  HttpResponse.BodySubscribers | Implementations of `BodySubscriber` that implement various useful subscribers, such as converting the response body bytes into a String, or streaming the bytes to a file.
  HttpResponse.PushPromiseHandler<T> | A handler for push promises.
  HttpResponse.ResponseInfo | Initial response information supplied to a `BodyHandler` when a response is initially received and before the body is processed.
  HttpRetryException | Thrown to indicate that a HTTP request needs to be retried but cannot be retried automatically, due to streaming mode being enabled.
  HttpsConfigurator | This class is used to configure the https parameters for each incoming https connection on a HttpsServer.
  HttpServer | This class implements a simple HTTP server.
  HttpServerProvider | Service provider class for HttpServer.
  HttpsExchange | This class encapsulates a HTTPS request received and a response to be generated in one exchange and defines the extensions to HttpExchange that are specific to the HTTPS protocol.
  HttpsParameters | Represents the set of parameters for each https connection negotiated with clients.
  HttpsServer | This class is an extension of `HttpServer` which provides support for HTTPS.
  HttpsURLConnection | `HttpsURLConnection` extends `HttpURLConnection` with support for https-specific features.
  HttpTimeoutException | Thrown when a response is not received within a specified time period.
  HttpURLConnection | A URLConnection with support for HTTP-specific features.
  HyperlinkEvent | HyperlinkEvent is used to notify interested parties that something has happened with respect to a hypertext link.
  HyperlinkEvent.EventType | Defines the ENTERED, EXITED, and ACTIVATED event types, along with their string representations, returned by toString().
  HyperlinkListener | HyperlinkListener
  ICC_ColorSpace | The ICC_ColorSpace class is an implementation of the abstract ColorSpace class.
  ICC_Profile | A representation of color profile data for device independent and device dependent color spaces based on the International Color Consortium Specification ICC.1:2001-12, File Format for Color Profiles, (see http://www.color.org).
  ICC_ProfileGray | A subclass of the ICC_Profile class which represents profiles which meet the following criteria: the color space type of the profile is TYPE_GRAY and the profile includes the grayTRCTag and mediaWhitePointTag tags.
  ICC_ProfileRGB | The ICC_ProfileRGB class is a subclass of the ICC_Profile class that represents profiles which meet the following criteria: The profile's color space type is RGB. The profile includes the `redColorantTag`, `greenColorantTag`, `blueColorantTag`, `redTRCTag`, `greenTRCTag`, `blueTRCTag`, and `mediaWhitePointTag` tags. The `ICC_Profile getInstance` method will return an `ICC_ProfileRGB` object when these conditions are met.
  Icon | A small fixed size picture, typically used to decorate components.
  IconUIResource | An Icon wrapper class which implements UIResource.
  IconView | Icon decorator that implements the view interface.
  IdentifierTree | An identifier in a documentation comment.
  IdentifierTree | A tree node for an identifier expression.
  IdentifierTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  Identity | Deprecated, for removal: This API element is subject to removal in a future version. This class is deprecated and subject to removal in a future version of Java SE.
  IdentityHashMap<K,​V> | This class implements the `Map` interface with a hash table, using reference-equality in place of object-equality when comparing keys (and values).
  IdentityScope | Deprecated, for removal: This API element is subject to removal in a future version. This class is deprecated and subject to removal in a future version of Java SE.
  IDN | Provides methods to convert internationalized domain names (IDNs) between a normal Unicode representation and an ASCII Compatible Encoding (ACE) representation.
  IfTree | A tree node for an `if` statement.
  IfTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  IIOByteBuffer | A class representing a mutable reference to an array of bytes and an offset and length within that array.
  IIOException | An exception class used for signaling run-time failure of reading and writing operations.
  IIOImage | A simple container class to aggregate an image, a set of thumbnail (preview) images, and an object representing metadata associated with the image.
  IIOInvalidTreeException | An `IIOInvalidTreeException` is thrown when an attempt by an `IIOMetadata` object to parse a tree of `IIOMetadataNode`s fails.
  IIOMetadata | An abstract class to be extended by objects that represent metadata (non-image data) associated with images and streams.
  IIOMetadataController | An interface to be implemented by objects that can determine the settings of an `IIOMetadata` object, either by putting up a GUI to obtain values from a user, or by other means.
  IIOMetadataFormat | An object describing the structure of metadata documents returned from `IIOMetadata.getAsTree` and passed to `IIOMetadata.setFromTree` and `mergeTree`.
  IIOMetadataFormatImpl | A concrete class providing a reusable implementation of the `IIOMetadataFormat` interface.
  IIOMetadataNode | A class representing a node in a meta-data tree, which implements the `org.w3c.dom.Element` interface and additionally allows for the storage of non-textual objects via the `getUserObject` and `setUserObject` methods.
  IIOParam | A superclass of all classes describing how streams should be decoded or encoded.
  IIOParamController | An interface to be implemented by objects that can determine the settings of an `IIOParam` object, either by putting up a GUI to obtain values from a user, or by other means.
  IIOReadProgressListener | An interface used by `ImageReader` implementations to notify callers of their image and thumbnail reading methods of progress.
  IIOReadUpdateListener | An interface used by `ImageReader` implementations to notify callers of their image and thumbnail reading methods of pixel updates.
  IIOReadWarningListener | An interface used by `ImageReader` implementations to notify callers of their image and thumbnail reading methods of warnings (non-fatal errors).
  IIORegistry | A registry for Image I/O service provider instances.
  IIOServiceProvider | A superinterface for functionality common to all Image I/O service provider interfaces (SPIs).
  IIOWriteProgressListener | An interface used by `ImageWriter` implementations to notify callers of their image writing methods of progress.
  IIOWriteWarningListener | An interface used by `ImageWriter` implementations to notify callers of their image and thumbnail reading methods of warnings (non-fatal errors).
  IllegalAccessError | Thrown if an application attempts to access or modify a field, or to call a method that it does not have access to.
  IllegalAccessException | An IllegalAccessException is thrown when an application tries to reflectively create an instance (other than an array), set or get a field, or invoke a method, but the currently executing method does not have access to the definition of the specified class, field, method or constructor.
  IllegalArgumentException | Thrown to indicate that a method has been passed an illegal or inappropriate argument.
  IllegalBlockingModeException | Unchecked exception thrown when a blocking-mode-specific operation is invoked upon a channel in the incorrect blocking mode.
  IllegalBlockSizeException | This exception is thrown when the length of data provided to a block cipher is incorrect, i.e., does not match the block size of the cipher.
  IllegalCallerException | Thrown to indicate that a method has been called by an inappropriate caller.
  IllegalChannelGroupException | Unchecked exception thrown when an attempt is made to open a channel in a group that was not created by the same provider.
  IllegalCharsetNameException | Unchecked exception thrown when a string that is not a legal charset name is used as such.
  IllegalClassFormatException | Thrown by an implementation of `ClassFileTransformer.transform` when its input parameters are invalid.
  IllegalComponentStateException | Signals that an AWT component is not in an appropriate state for the requested operation.
  IllegalConnectorArgumentsException | Thrown to indicate an invalid argument or inconsistent passed to a `Connector`.
  IllegalFormatCodePointException | Unchecked exception thrown when a character with an invalid Unicode code point as defined by `Character.isValidCodePoint(int)` is passed to the `Formatter`.
  IllegalFormatConversionException | Unchecked exception thrown when the argument corresponding to the format specifier is of an incompatible type.
  IllegalFormatException | Unchecked exception thrown when a format string contains an illegal syntax or a format specifier that is incompatible with the given arguments.
  IllegalFormatFlagsException | Unchecked exception thrown when an illegal combination flags is given.
  IllegalFormatPrecisionException | Unchecked exception thrown when the precision is a negative value other than `-1`, the conversion does not support a precision, or the value is otherwise unsupported.
  IllegalFormatWidthException | Unchecked exception thrown when the format width is a negative value other than `-1` or is otherwise unsupported.
  IllegalMonitorStateException | Thrown to indicate that a thread has attempted to wait on an object's monitor or to notify other threads waiting on an object's monitor without owning the specified monitor.
  IllegalPathStateException | The `IllegalPathStateException` represents an exception that is thrown if an operation is performed on a path that is in an illegal state with respect to the particular operation being performed, such as appending a path segment to a `GeneralPath` without an initial moveto.
  IllegalReceiveException | Unchecked exception thrown when an attempt is made to invoke the `receive` method of `SctpChannel` or `SctpMultiChannel` from a notification handler.
  IllegalSelectorException | Unchecked exception thrown when an attempt is made to register a channel with a selector that was not created by the provider that created the channel.
  IllegalStateException | Signals that a method has been invoked at an illegal or inappropriate time.
  IllegalThreadStateException | Thrown to indicate that a thread is not in an appropriate state for the requested operation.
  IllegalUnbindException | Unchecked exception thrown when an attempt is made to remove an address that is not bound to the channel, or remove an address from a channel that has only one address bound to it.
  IllformedLocaleException | Thrown by methods in `Locale` and `Locale.Builder` to indicate that an argument is not a well-formed BCP 47 tag.
  Image | The abstract class `Image` is the superclass of all classes that represent graphical images.
  ImageCapabilities | Capabilities and properties of images.
  ImageConsumer | The interface for objects expressing interest in image data through the ImageProducer interfaces.
  ImageFilter | This class implements a filter for the set of interface methods that are used to deliver data from an ImageProducer to an ImageConsumer.
  ImageGraphicAttribute | The `ImageGraphicAttribute` class is an implementation of `GraphicAttribute` which draws images in a `TextLayout`.
  ImageIcon | An implementation of the Icon interface that paints Icons from Images.
  ImageInputStream | A seekable input stream interface for use by `ImageReader`s.
  ImageInputStreamImpl | An abstract class implementing the `ImageInputStream` interface.
  ImageInputStreamSpi | The service provider interface (SPI) for `ImageInputStream`s.
  ImageIO | A class containing static convenience methods for locating `ImageReader`s and `ImageWriter`s, and performing simple encoding and decoding.
  ImageObserver | An asynchronous update interface for receiving notifications about Image information as the Image is constructed.
  ImageOutputStream | A seekable output stream interface for use by `ImageWriter`s.
  ImageOutputStreamImpl | An abstract class implementing the `ImageOutputStream` interface.
  ImageOutputStreamSpi | The service provider interface (SPI) for `ImageOutputStream`s.
  ImageProducer | The interface for objects which can produce the image data for Images.
  ImageReader | An abstract superclass for parsing and decoding of images.
  ImageReaderSpi | The service provider interface (SPI) for `ImageReader`s.
  ImageReaderWriterSpi | A superclass containing instance variables and methods common to `ImageReaderSpi` and `ImageWriterSpi`.
  ImageReadParam | A class describing how a stream is to be decoded.
  ImageTranscoder | An interface providing metadata transcoding capability.
  ImageTranscoderSpi | The service provider interface (SPI) for `ImageTranscoder`s.
  ImageTypeSpecifier | A class that allows the format of an image (in particular, its `SampleModel` and `ColorModel`) to be specified in a convenient manner.
  ImageView | View of an Image, intended to support the HTML <IMG> tag.
  ImageWriteParam | A class describing how a stream is to be encoded.
  ImageWriter | An abstract superclass for encoding and writing images.
  ImageWriterSpi | The service provider interface (SPI) for `ImageWriter`s.
  ImagingOpException | The `ImagingOpException` is thrown if one of the `BufferedImageOp` or `RasterOp` filter methods cannot process the image.
  ImmutableDescriptor | An immutable descriptor.
  ImportEntryTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  ImportSnippet | Snippet for an import declaration.
  ImportTree | A tree node for an import declaration.
  InaccessibleObjectException | Thrown when Java language access checks cannot be suppressed.
  IncompatibleClassChangeError | Thrown when an incompatible class change has occurred to some class definition.
  IncompatibleThreadStateException | Thrown to indicate that the requested operation cannot be completed while the specified thread is in its current state.
  IncompleteAnnotationException | Thrown to indicate that a program has attempted to access an element of an annotation type that was added to the annotation type definition after the annotation was compiled (or serialized).
  InconsistentDebugInfoException | Thrown to indicate that there is an inconistency in the debug information provided by the target VM.
  IndexColorModel | The `IndexColorModel` class is a `ColorModel` class that works with pixel values consisting of a single sample that is an index into a fixed colormap in the default sRGB color space.
  IndexedPropertyChangeEvent | An "IndexedPropertyChange" event gets delivered whenever a component that conforms to the JavaBeans™ specification (a "bean") changes a bound indexed property.
  IndexedPropertyDescriptor | An IndexedPropertyDescriptor describes a property that acts like an array and has an indexed read and/or indexed write method to access specific elements of the array.
  IndexOutOfBoundsException | Thrown to indicate that an index of some sort (such as to an array, to a string, or to a vector) is out of range.
  IndexTree | A tree node for an @index or @index inline tag.
  Inet4Address | This class represents an Internet Protocol version 4 (IPv4) address.
  Inet6Address | This class represents an Internet Protocol version 6 (IPv6) address.
  InetAddress | This class represents an Internet Protocol (IP) address.
  InetSocketAddress | This class implements an IP Socket Address (IP address + port number) It can also be a pair (hostname + port number), in which case an attempt will be made to resolve the hostname.
  Inflater | This class provides support for general purpose decompression using the popular ZLIB compression library.
  InflaterInputStream | This class implements a stream filter for uncompressing data in the "deflate" compression format.
  InflaterOutputStream | Implements an output stream filter for uncompressing data stored in the "deflate" compression format.
  InheritableThreadLocal<T> | This class extends `ThreadLocal` to provide inheritance of values from parent thread to child thread: when a child thread is created, the child receives initial values for all inheritable thread-local variables for which the parent has values.
  InheritDocTree | A tree node for an @inheritDoc inline tag.
  Inherited | Indicates that an annotation type is automatically inherited.
  InitialContext | This class is the starting context for performing naming operations.
  InitialContextFactory | This interface represents a factory that creates an initial context.
  InitialContextFactoryBuilder | This interface represents a builder that creates initial context factories.
  InitialDirContext | This class is the starting context for performing directory operations.
  InitialLdapContext | This class is the starting context for performing LDAPv3-style extended operations and controls.
  InlineTagTree | A tree node used as the base class for the different types of inline tags.
  InlineView | Displays the inline element styles based upon css attributes.
  InputContext | Provides methods to control text input facilities such as input methods and keyboard layouts.
  InputEvent | The root event class for all component-level input events.
  InputMap | `InputMap` provides a binding between an input event (currently only `KeyStroke`s are used) and an `Object`.
  InputMapUIResource | A subclass of javax.swing.InputMap that implements UIResource.
  InputMethod | Defines the interface for an input method that supports complex text input.
  InputMethodContext | Provides methods that input methods can use to communicate with their client components or to request other services.
  InputMethodDescriptor | Defines methods that provide sufficient information about an input method to enable selection and loading of that input method.
  InputMethodEvent | Input method events contain information about text that is being composed using an input method.
  InputMethodHighlight | An InputMethodHighlight is used to describe the highlight attributes of text being composed.
  InputMethodListener | The listener interface for receiving input method events.
  InputMethodRequests | InputMethodRequests defines the requests that a text editing component has to handle in order to work with input methods.
  InputMismatchException | Thrown by a `Scanner` to indicate that the token retrieved does not match the pattern for the expected type, or that the token is out of range for the expected type.
  InputSource | A single input source for an XML entity.
  InputStream | This abstract class is the superclass of all classes representing an input stream of bytes.
  InputStreamReader | An InputStreamReader is a bridge from byte streams to character streams: It reads bytes and decodes them into characters using a specified `charset`.
  InputSubset | Defines additional Unicode subsets for use by input methods.
  InputVerifier | This class provides the validation mechanism for Swing components.
  InquireSecContextPermission | This class is used to protect various attributes of an established GSS security context that can be accessed using the `ExtendedGSSContext.inquireSecContext(com.sun.security.jgss.InquireType)` method.
  InquireType | Attribute types that can be specified as an argument of `ExtendedGSSContext.inquireSecContext(com.sun.security.jgss.InquireType)`
  Insets | An `Insets` object is a representation of the borders of a container.
  InsetsUIResource | A subclass of Insets that implements UIResource.
  InstanceAlreadyExistsException | The MBean is already registered in the repository.
  InstanceNotFoundException | The specified MBean does not exist in the repository.
  InstanceOfTree | A tree node for an `instanceof` expression.
  InstanceOfTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  Instant | An instantaneous point on the time-line.
  InstantiationError | Thrown when an application tries to use the Java `new` construct to instantiate an abstract class or an interface.
  InstantiationException | Thrown when an application tries to create an instance of a class using the `newInstance` method in class `Class`, but the specified class object cannot be instantiated.
  Instrument | An instrument is a sound-synthesis algorithm with certain parameter settings, usually designed to emulate a specific real-world musical instrument or to achieve a specific sort of sound effect.
  Instrumentation | This class provides services needed to instrument Java programming language code.
  InsufficientResourcesException | This exception is thrown when resources are not available to complete the requested operation.
  IntBinaryOperator | Represents an operation upon two `int`-valued operands and producing an `int`-valued result.
  IntBuffer | An int buffer.
  IntConsumer | Represents an operation that accepts a single `int`-valued argument and returns no result.
  Integer | The `Integer` class wraps a value of the primitive type `int` in an object.
  IntegerSyntax | Class `IntegerSyntax` is an abstract base class providing the common implementation of all attributes with integer values.
  IntegerType | The type of all primitive `int` values accessed in the target VM.
  IntegerValue | Provides access to a primitive `int` value in the target VM.
  InterfaceAddress | This class represents a Network Interface address.
  InterfaceType | A mirror of an interface in the target VM.
  InternalError | Thrown to indicate some unexpected internal error has occurred in the Java Virtual Machine.
  InternalException | Thrown to indicate that an unexpected internal error has occurred.
  InternalFrameAdapter | An abstract adapter class for receiving internal frame events.
  InternalFrameEvent | An `AWTEvent` that adds support for `JInternalFrame` objects as the event source.
  InternalFrameFocusTraversalPolicy | A FocusTraversalPolicy which can optionally provide an algorithm for determining a JInternalFrame's initial Component.
  InternalFrameListener | The listener interface for receiving internal frame events.
  InternalFrameUI | Pluggable look and feel interface for JInternalFrame.
  InternationalFormatter | `InternationalFormatter` extends `DefaultFormatter`, using an instance of `java.text.Format` to handle the conversion to a String, and the conversion from a String.
  InterruptedByTimeoutException | Checked exception received by a thread when a timeout elapses before an asynchronous operation completes.
  InterruptedException | Thrown when a thread is waiting, sleeping, or otherwise occupied, and the thread is interrupted, either before or during the activity.
  InterruptedIOException | Signals that an I/O operation has been interrupted.
  InterruptedNamingException | This exception is thrown when the naming operation being invoked has been interrupted.
  InterruptibleChannel | A channel that can be asynchronously closed and interrupted.
  IntersectionType | Represents an intersection type.
  IntersectionTypeTree | A tree node for an intersection type in a cast expression.
  IntFunction<R> | Represents a function that accepts an int-valued argument and produces a result.
  IntPredicate | Represents a predicate (boolean-valued function) of one `int`-valued argument.
  IntrospectionException | Thrown when an exception happens during Introspection.
  IntrospectionException | An exception occurred during the introspection of an MBean.
  Introspector | The Introspector class provides a standard way for tools to learn about the properties, events, and methods supported by a target Java Bean.
  IntStream | A sequence of primitive int-valued elements supporting sequential and parallel aggregate operations.
  IntStream.Builder | A mutable builder for an `IntStream`.
  IntSummaryStatistics | A state object for collecting statistics such as count, min, max, sum, and average.
  IntSupplier | Represents a supplier of `int`-valued results.
  IntToDoubleFunction | Represents a function that accepts an int-valued argument and produces a double-valued result.
  IntToLongFunction | Represents a function that accepts an int-valued argument and produces a long-valued result.
  IntUnaryOperator | Represents an operation on a single `int`-valued operand that produces an `int`-valued result.
  InvalidAlgorithmParameterException | This is the exception for invalid or inappropriate algorithm parameters.
  InvalidApplicationException | Thrown when an attempt is made to apply either of the following: A subquery expression to an MBean or a qualified attribute expression to an MBean of the wrong class.
  InvalidAttributeIdentifierException | This exception is thrown when an attempt is made to add to create an attribute with an invalid attribute identifier.
  InvalidAttributesException | This exception is thrown when an attempt is made to add or modify an attribute set that has been specified incompletely or incorrectly.
  InvalidAttributeValueException | The value specified is not valid for the attribute.
  InvalidAttributeValueException | This class is thrown when an attempt is made to add to an attribute a value that conflicts with the attribute's schema definition.
  InvalidClassException | Thrown when the Serialization runtime detects one of the following problems with a Class.
  InvalidCodeIndexException | Deprecated. This exception is no longer thrown
  InvalidDnDOperationException | This exception is thrown by various methods in the java.awt.dnd package.
  InvalidKeyException | This is the exception for invalid Keys (invalid encoding, wrong length, uninitialized, etc).
  InvalidKeyException | This runtime exception is thrown to indicate that a method parameter which was expected to be an item name of a composite data or a row index of a tabular data is not valid.
  InvalidKeySpecException | This is the exception for invalid key specifications.
  InvalidLineNumberException | Deprecated. This exception is no longer thrown
  InvalidMarkException | Unchecked exception thrown when an attempt is made to reset a buffer when its mark is not defined.
  InvalidMidiDataException | An `InvalidMidiDataException` indicates that inappropriate MIDI data was encountered.
  InvalidModuleDescriptorException | Thrown when reading a module descriptor and the module descriptor is found to be malformed or otherwise cannot be interpreted as a module descriptor.
  InvalidModuleException | Thrown to indicate that the requested module is invalid or became invalid after the module was unloaded.
  InvalidNameException | This exception indicates that the name being specified does not conform to the naming syntax of a naming system.
  InvalidObjectException | Indicates that one or more deserialized objects failed validation tests.
  InvalidOpenTypeException | This runtime exception is thrown to indicate that the open type of an open data value is not the one expected.
  InvalidParameterException | This exception, designed for use by the JCA/JCE engine classes, is thrown when an invalid parameter is passed to a method.
  InvalidParameterSpecException | This is the exception for invalid parameter specifications.
  InvalidPathException | Unchecked exception thrown when path string cannot be converted into a `Path` because the path string contains invalid characters, or the path string is invalid for other file system specific reasons.
  InvalidPreferencesFormatException | Thrown to indicate that an operation could not complete because the input did not conform to the appropriate XML document type for a collection of preferences, as per the `Preferences` specification.
  InvalidPropertiesFormatException | Thrown to indicate that an operation could not complete because the input did not conform to the appropriate XML document type for a collection of properties, as per the `Properties` specification.
  InvalidRelationIdException | This exception is raised when relation id provided for a relation is already used.
  InvalidRelationServiceException | This exception is raised when an invalid Relation Service is provided.
  InvalidRelationTypeException | Invalid relation type.
  InvalidRequestStateException | Thrown to indicate that the requested event cannot be modified because it is enabled.
  InvalidRoleInfoException | This exception is raised when, in a role info, its minimum degree is greater than its maximum degree.
  InvalidRoleValueException | Role value is invalid.
  InvalidSearchControlsException | This exception is thrown when the specification of the SearchControls for a search operation is invalid.
  InvalidSearchFilterException | This exception is thrown when the specification of a search filter is invalid.
  InvalidStackFrameException | Thrown to indicate that the requested operation cannot be completed because the specified stack frame is no longer valid.
  InvalidStreamException | Unchecked exception thrown when an attempt is made to send a message to an invalid stream.
  InvalidTargetObjectTypeException | Exception thrown when an invalid target object type is specified.
  InvalidTypeException | Thrown to indicate a type mismatch in setting the value of a field or variable, or in specifying the return value of a method.
  Invocable | The optional interface implemented by ScriptEngines whose methods allow the invocation of procedures in scripts that have previously been executed.
  InvocationEvent | An event which executes the `run()` method on a `Runnable` when dispatched by the AWT event dispatcher thread.
  InvocationException | Thrown to indicate an exception occurred in an invoked method within the target VM.
  InvocationHandler | `InvocationHandler` is the interface implemented by the invocation handler of a proxy instance.
  InvocationTargetException | InvocationTargetException is a checked exception that wraps an exception thrown by an invoked method or constructor.
  IOError | Thrown when a serious I/O error has occurred.
  IOException | Signals that an I/O exception of some sort has occurred.
  IsoChronology | The ISO calendar system.
  IsoEra | An era in the ISO calendar system.
  IsoFields | Fields and units specific to the ISO-8601 calendar system, including quarter-of-year and week-based-year.
  ItemEvent | A semantic event which indicates that an item was selected or deselected.
  ItemListener | The listener interface for receiving item events.
  ItemSelectable | The interface for objects which contain a set of items for which zero or more can be selected.
  Iterable<T> | Implementing this interface allows an object to be the target of the enhanced `for` statement (sometimes called the "for-each loop" statement).
  Iterator<E> | An iterator over a collection.
  IvParameterSpec | This class specifies an initialization vector (IV).
  JapaneseChronology | The Japanese Imperial calendar system.
  JapaneseDate | A date in the Japanese Imperial calendar system.
  JapaneseEra | An era in the Japanese Imperial calendar system.
  JApplet | Deprecated. The Applet API is deprecated, no replacement.
  JarEntry | This class is used to represent a JAR file entry.
  JarException | Signals that an error of some sort has occurred while reading from or writing to a JAR file.
  JarFile | The `JarFile` class is used to read the contents of a jar file from any file that can be opened with `java.io.RandomAccessFile`.
  JarInputStream | The `JarInputStream` class is used to read the contents of a JAR file from any input stream.
  JarOutputStream | The `JarOutputStream` class is used to write the contents of a JAR file to any output stream.
  JarSigner | An immutable utility class to sign a jar file.
  JarSigner.Builder | A mutable builder class that can create an immutable `JarSigner` from various signing-related parameters.
  JarSignerException | This exception is thrown when `JarSigner.sign(java.util.zip.ZipFile, java.io.OutputStream)` fails.
  JarURLConnection | A URL Connection to a Java ARchive (JAR) file or an entry in a JAR file.
  JavaBean | An annotation used to specify some class-related information for the automatically generated `BeanInfo` classes.
  JavaCompiler | Interface to invoke Java™ programming language compilers from programs.
  JavaCompiler.CompilationTask | Interface representing a future for a compilation task.
  JavacTask | Provides access to functionality specific to the JDK Java Compiler, javac.
  JavaFileManager | File manager for tools operating on Java™ programming language source and class files.
  JavaFileManager.Location | Interface for locations of file objects.
  JavaFileObject | File abstraction for tools operating on Java™ programming language source and class files.
  JavaFileObject.Kind | Kinds of JavaFileObjects.
  JavaShellToolBuilder | Interface to configure and run a Java shell tool instance.
  JButton | An implementation of a "push" button.
  JCheckBox | An implementation of a check box -- an item that can be selected or deselected, and which displays its state to the user.
  JCheckBoxMenuItem | A menu item that can be selected or deselected.
  JColorChooser | `JColorChooser` provides a pane of controls designed to allow a user to manipulate and select a color.
  JComboBox<E> | A component that combines a button or editable field and a drop-down list.
  JComboBox.KeySelectionManager | The interface that defines a `KeySelectionManager`.
  JComponent | The base class for all Swing components except top-level containers.
  JConsoleContext | `JConsoleContext` represents a JConsole connection to a target application.
  JConsoleContext.ConnectionState | Values for the ConnectionState bound property.
  JConsolePlugin | A JConsole plugin class.
  JdbcRowSet | The standard interface that all standard implementations of `JdbcRowSet` must implement.
  JDBCType | Defines the constants that are used to identify generic SQL types, called JDBC types.
  JDesktopPane | A container used to create a multiple-document interface or a virtual desktop.
  JDialog | The main class for creating a dialog window.
  JdiDefaultExecutionControl | The implementation of `ExecutionControl` that the JShell-core uses by default.
  JdiExecutionControl | Abstract JDI implementation of `ExecutionControl`.
  JdiExecutionControlProvider | A provider of remote JDI-controlled execution engines.
  JdiInitiator | Sets up a JDI connection, providing the resulting JDI `VirtualMachine` and the `Process` the remote agent is running in.
  JDIPermission | The `JDIPermission` class represents access rights to the `VirtualMachineManager`.
  JEditorPane | A text component to edit various kinds of content.
  JFileChooser | `JFileChooser` provides a simple mechanism for the user to choose a file.
  JFormattedTextField | `JFormattedTextField` extends `JTextField` adding support for formatting arbitrary values, as well as retrieving a particular object once the user has edited the text.
  JFormattedTextField.AbstractFormatter | Instances of `AbstractFormatter` are used by `JFormattedTextField` to handle the conversion both from an Object to a String, and back from a String to an Object.
  JFormattedTextField.AbstractFormatterFactory | Instances of `AbstractFormatterFactory` are used by `JFormattedTextField` to obtain instances of `AbstractFormatter` which in turn are used to format values.
  JFrame | An extended version of `java.awt.Frame` that adds support for the JFC/Swing component architecture.
  JInternalFrame | A lightweight object that provides many of the features of a native frame, including dragging, closing, becoming an icon, resizing, title display, and support for a menu bar.
  JInternalFrame.JDesktopIcon | This component represents an iconified version of a `JInternalFrame`.
  JLabel | A display area for a short text string or an image, or both.
  JLayer<V extends Component> | `JLayer` is a universal decorator for Swing components which enables you to implement various advanced painting effects as well as receive notifications of all `AWTEvent`s generated within its borders.
  JLayeredPane | `JLayeredPane` adds depth to a JFC/Swing container, allowing components to overlap each other when needed.
  JList<E> | A component that displays a list of objects and allows the user to select one or more items.
  JList.DropLocation | A subclass of `TransferHandler.DropLocation` representing a drop location for a `JList`.
  JMenu | An implementation of a menu -- a popup window containing `JMenuItem`s that is displayed when the user selects an item on the `JMenuBar`.
  JMenuBar | An implementation of a menu bar.
  JMenuItem | An implementation of an item in a menu.
  JMException | Exceptions thrown by JMX implementations.
  JMRuntimeException | Runtime exceptions emitted by JMX implementations.
  JMX | Static methods from the JMX API.
  JMXAddressable | Implemented by objects that can have a `JMXServiceURL` address.
  JMXAuthenticator | Interface to define how remote credentials are converted into a JAAS Subject.
  JMXConnectionNotification | Notification emitted when a client connection is opened or closed or when notifications are lost.
  JMXConnector | The client end of a JMX API connector.
  JMXConnectorFactory | Factory to create JMX API connector clients.
  JMXConnectorProvider | A provider for creating JMX API connector clients using a given protocol.
  JMXConnectorServer | Superclass of every connector server.
  JMXConnectorServerFactory | Factory to create JMX API connector servers.
  JMXConnectorServerMBean | MBean interface for connector servers.
  JMXConnectorServerProvider | A provider for creating JMX API connector servers using a given protocol.
  JMXPrincipal | The identity of a remote client of the JMX Remote API.
  JMXProviderException | Exception thrown by `JMXConnectorFactory` and `JMXConnectorServerFactory` when a provider exists for the required protocol but cannot be used for some reason.
  JMXServerErrorException | Exception thrown as the result of a remote `MBeanServer` method invocation when an `Error` is thrown while processing the invocation in the remote MBean server.
  JMXServiceURL | The address of a JMX API connector server.
  JndiLoginModule | The module prompts for a username and password and then verifies the password against the password stored in a directory service configured under JNDI.
  JobAttributes | A set of attributes which control a print job.
  JobAttributes.DefaultSelectionType | A type-safe enumeration of possible default selection states.
  JobAttributes.DestinationType | A type-safe enumeration of possible job destinations.
  JobAttributes.DialogType | A type-safe enumeration of possible dialogs to display to the user.
  JobAttributes.MultipleDocumentHandlingType | A type-safe enumeration of possible multiple copy handling states.
  JobAttributes.SidesType | A type-safe enumeration of possible multi-page impositions.
  JobHoldUntil | Class `JobHoldUntil` is a printing attribute class, a date-time attribute, that specifies the exact date and time at which the job must become a candidate for printing.
  JobImpressions | Class `JobImpressions` is an integer valued printing attribute class that specifies the total size in number of impressions of the document(s) being submitted.
  JobImpressionsCompleted | Class `JobImpressionsCompleted` is an integer valued printing attribute class that specifies the number of impressions completed for the job so far.
  JobImpressionsSupported | Class `JobImpressionsSupported` is a printing attribute class, a set of integers, that gives the supported values for a `JobImpressions` attribute.
  JobKOctets | Class `JobKOctets` is an integer valued printing attribute class that specifies the total size of the document(s) in K octets, i.e., in units of 1024 octets requested to be processed in the job.
  JobKOctetsProcessed | Class `JobKOctetsProcessed` is an integer valued printing attribute class that specifies the total number of print data octets processed so far in K octets, i.e., in units of 1024 octets.
  JobKOctetsSupported | Class `JobKOctetsSupported` is a printing attribute class, a set of integers, that gives the supported values for a `JobKOctets` attribute.
  JobMediaSheets | Class `JobMediaSheets` is an integer valued printing attribute class that specifies the total number of media sheets to be produced for this job.
  JobMediaSheetsCompleted | Class `JobMediaSheetsCompleted` is an integer valued printing attribute class that specifies the number of media sheets which have completed marking and stacking for the entire job so far, whether those sheets have been processed on one side or on both.
  JobMediaSheetsSupported | Class `JobMediaSheetsSupported` is a printing attribute class, a set of integers, that gives the supported values for a `JobMediaSheets` attribute.
  JobMessageFromOperator | Class `JobMessageFromOperator` is a printing attribute class, a text attribute, that provides a message from an operator, system administrator, or "intelligent" process to indicate to the end user the reasons for modification or other management action taken on a job.
  JobName | Class `JobName` is a printing attribute class, a text attribute, that specifies the name of a print job.
  JobOriginatingUserName | Class `JobOriginatingUserName` is a printing attribute class, a text attribute, that contains the name of the end user that submitted the print job.
  JobPriority | Class `JobPriority` is an integer valued printing attribute class that specifies a print job's priority.
  JobPrioritySupported | Class `JobPrioritySupported` is an integer valued printing attribute class that specifies whether a Print Service instance supports the `JobPriority` attribute and the number of different job priority levels supported.
  JobSheets | Class `JobSheets` is a printing attribute class, an enumeration, that determines which job start and end sheets, if any, must be printed with a job.
  JobState | `JobState` is a printing attribute class, an enumeration, that identifies the current state of a print job.
  JobStateReason | Class `JobStateReason` is a printing attribute class, an enumeration, that provides additional information about the job's current state, i.e., information that augments the value of the job's `JobState` attribute.
  JobStateReasons | Class `JobStateReasons` is a printing attribute class, a set of enumeration values, that provides additional information about the job's current state, i.e., information that augments the value of the job's `JobState` attribute.
  Joinable | 1.0 Background
  JoinRowSet | The `JoinRowSet` interface provides a mechanism for combining related data from different `RowSet` objects into one `JoinRowSet` object, which represents an SQL `JOIN`.
  JOptionPane | `JOptionPane` makes it easy to pop up a standard dialog box that prompts users for a value or informs them of something.
  JPanel | `JPanel` is a generic lightweight container.
  JPasswordField | `JPasswordField` is a lightweight component that allows the editing of a single line of text where the view indicates something was typed, but does not show the original characters.
  JPEGHuffmanTable | A class encapsulating a single JPEG Huffman table.
  JPEGImageReadParam | This class adds the ability to set JPEG quantization and Huffman tables when using the built-in JPEG reader plug-in.
  JPEGImageWriteParam | This class adds the ability to set JPEG quantization and Huffman tables when using the built-in JPEG writer plug-in, and to request that optimized Huffman tables be computed for an image.
  JPEGQTable | A class encapsulating a single JPEG quantization table.
  JPopupMenu | An implementation of a popup menu -- a small window that pops up and displays a series of choices.
  JPopupMenu.Separator | A popup menu-specific separator.
  JProgressBar | A component that visually displays the progress of some task.
  JRadioButton | An implementation of a radio button -- an item that can be selected or deselected, and which displays its state to the user.
  JRadioButtonMenuItem | An implementation of a radio button menu item.
  JRootPane | A lightweight container used behind the scenes by `JFrame`, `JDialog`, `JWindow`, `JApplet`, and `JInternalFrame`.
  JScrollBar | An implementation of a scrollbar.
  JScrollPane | Provides a scrollable view of a lightweight component.
  JSeparator | `JSeparator` provides a general purpose component for implementing divider lines - most commonly used as a divider between menu items that breaks them up into logical groupings.
  JSException | Thrown when an exception is raised in the JavaScript engine.
  JShell | The JShell evaluation state engine.
  JShell.Builder | Builder for `JShell` instances.
  JShellException | The superclass of JShell generated exceptions
  JSlider | A component that lets the user graphically select a value by sliding a knob within a bounded interval.
  JSObject | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  JSObject | Allows Java code to manipulate JavaScript objects.
  JSpinner | A single line input field that lets the user select a number or an object value from an ordered sequence.
  JSpinner.DateEditor | An editor for a `JSpinner` whose model is a `SpinnerDateModel`.
  JSpinner.DefaultEditor | A simple base class for more specialized editors that displays a read-only view of the model's current value with a `JFormattedTextField`.
  JSpinner.ListEditor | An editor for a `JSpinner` whose model is a `SpinnerListModel`.
  JSpinner.NumberEditor | An editor for a `JSpinner` whose model is a `SpinnerNumberModel`.
  JSplitPane | `JSplitPane` is used to divide two (and only two) `Component`s.
  JTabbedPane | A component that lets the user switch between a group of components by clicking on a tab with a given title and/or icon.
  JTable | The `JTable` is used to display and edit regular two-dimensional tables of cells.
  JTable.DropLocation | A subclass of `TransferHandler.DropLocation` representing a drop location for a `JTable`.
  JTable.PrintMode | Printing modes, used in printing `JTable`s.
  JTableHeader | This is the object which manages the header of the `JTable`.
  JTextArea | A `JTextArea` is a multi-line area that displays plain text.
  JTextComponent | `JTextComponent` is the base class for swing text components.
  JTextComponent.DropLocation | Represents a drop location for `JTextComponent`s.
  JTextComponent.KeyBinding | Binding record for creating key bindings.
  JTextField | `JTextField` is a lightweight component that allows the editing of a single line of text.
  JTextPane | A text component that can be marked up with attributes that are represented graphically.
  JToggleButton | An implementation of a two-state button.
  JToggleButton.ToggleButtonModel | The ToggleButton model
  JToolBar | `JToolBar` provides a component that is useful for displaying commonly used `Action`s or controls.
  JToolBar.Separator | A toolbar-specific separator.
  JToolTip | Used to display a "Tip" for a Component.
  JTree | A control that displays a set of hierarchical data as an outline.
  JTree.DropLocation | A subclass of `TransferHandler.DropLocation` representing a drop location for a `JTree`.
  JTree.DynamicUtilTreeNode | `DynamicUtilTreeNode` can wrap vectors/hashtables/arrays/strings and create the appropriate children tree nodes as necessary.
  JTree.EmptySelectionModel | `EmptySelectionModel` is a `TreeSelectionModel` that does not allow anything to be selected.
  JulianFields | A set of date fields that provide access to Julian Days.
  JViewport | The "viewport" or "porthole" through which you see the underlying information.
  JWindow | A `JWindow` is a container that can be displayed anywhere on the user's desktop.
  KerberosCredMessage | This class encapsulates a Kerberos 5 KRB_CRED message which can be used to send Kerberos credentials from one principal to another.
  KerberosKey | This class encapsulates a long term secret key for a Kerberos principal.
  KerberosPrincipal | This class encapsulates a Kerberos principal.
  KerberosTicket | This class encapsulates a Kerberos ticket and associated information as viewed from the client's point of view.
  Kernel | The `Kernel` class defines a matrix that describes how a specified pixel and its surrounding pixels affect the value computed for the pixel's position in the output image of a filtering operation.
  Key | The Key interface is the top-level interface for all keys.
  KeyAdapter | An abstract adapter class for receiving keyboard events.
  KeyAgreement | This class provides the functionality of a key agreement (or key exchange) protocol.
  KeyAgreementSpi | This class defines the Service Provider Interface (SPI) for the `KeyAgreement` class.
  KeyAlreadyExistsException | This runtime exception is thrown to indicate that the index of a row to be added to a tabular data instance is already used to refer to another row in this tabular data instance.
  KeyboardFocusManager | The KeyboardFocusManager is responsible for managing the active and focused Windows, and the current focus owner.
  KeyEvent | An event which indicates that a keystroke occurred in a component.
  KeyEventDispatcher | A KeyEventDispatcher cooperates with the current KeyboardFocusManager in the targeting and dispatching of all KeyEvents.
  KeyEventPostProcessor | A KeyEventPostProcessor cooperates with the current KeyboardFocusManager in the final resolution of all unconsumed KeyEvents.
  KeyException | This is the basic key exception.
  KeyFactory | Key factories are used to convert keys (opaque cryptographic keys of type `Key`) into key specifications (transparent representations of the underlying key material), and vice versa.
  KeyFactorySpi | This class defines the Service Provider Interface (SPI) for the `KeyFactory` class.
  KeyGenerator | This class provides the functionality of a secret (symmetric) key generator.
  KeyGeneratorSpi | This class defines the Service Provider Interface (SPI) for the `KeyGenerator` class.
  KeyInfo | A representation of the XML `KeyInfo` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
  KeyInfoFactory | A factory for creating `KeyInfo` objects from scratch or for unmarshalling a `KeyInfo` object from a corresponding XML representation.
  KeyListener | The listener interface for receiving keyboard events (keystrokes).
  KeyManagementException | This is the general key management exception for all operations dealing with key management.
  KeyManager | This is the base interface for JSSE key managers.
  KeyManagerFactory | This class acts as a factory for key managers based on a source of key material.
  KeyManagerFactorySpi | This class defines the Service Provider Interface (SPI) for the `KeyManagerFactory` class.
  Keymap | A collection of bindings of KeyStrokes to actions.
  KeyName | A representation of the XML `KeyName` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
  KeyPair | This class is a simple holder for a key pair (a public key and a private key).
  KeyPairGenerator | The KeyPairGenerator class is used to generate pairs of public and private keys.
  KeyPairGeneratorSpi | This class defines the Service Provider Interface (SPI) for the `KeyPairGenerator` class, which is used to generate pairs of public and private keys.
  KeyRep | Standardized representation for serialized Key objects.
  KeyRep.Type | Key type.
  KeySelector | A selector that finds and returns a key using the data contained in a `KeyInfo` object.
  KeySelector.Purpose | The purpose of the key that is to be selected.
  KeySelectorException | Indicates an exceptional condition thrown by a `KeySelector`.
  KeySelectorResult | The result returned by the `KeySelector.select` method.
  KeySpec | A (transparent) specification of the key material that constitutes a cryptographic key.
  KeyStore | This class represents a storage facility for cryptographic keys and certificates.
  KeyStore.Builder | A description of a to-be-instantiated KeyStore object.
  KeyStore.CallbackHandlerProtection | A ProtectionParameter encapsulating a CallbackHandler.
  KeyStore.Entry | A marker interface for `KeyStore` entry types.
  KeyStore.Entry.Attribute | An attribute associated with a keystore entry.
  KeyStore.LoadStoreParameter | A marker interface for `KeyStore` `load` and `store` parameters.
  KeyStore.PasswordProtection | A password-based implementation of `ProtectionParameter`.
  KeyStore.PrivateKeyEntry | A `KeyStore` entry that holds a `PrivateKey` and corresponding certificate chain.
  KeyStore.ProtectionParameter | A marker interface for keystore protection parameters.
  KeyStore.SecretKeyEntry | A `KeyStore` entry that holds a `SecretKey`.
  KeyStore.TrustedCertificateEntry | A `KeyStore` entry that holds a trusted `Certificate`.
  KeyStoreBuilderParameters | A parameters object for X509KeyManagers that encapsulates a List of KeyStore.Builders.
  KeyStoreException | This is the generic KeyStore exception.
  KeyStoreLoginModule | Provides a JAAS login module that prompts for a key store alias and populates the subject with the alias's principal and credentials.
  KeyStoreSpi | This class defines the Service Provider Interface (SPI) for the `KeyStore` class.
  KeyStroke | A KeyStroke represents a key action on the keyboard, or equivalent input device.
  KeyTab | This class encapsulates a keytab file.
  KeyValue | A representation of the XML `KeyValue` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
  Krb5LoginModule | This `LoginModule` authenticates users using Kerberos protocols.
  Label | A `Label` object is a component for placing text in a container.
  Label | Annotation that sets a human-readable name for an element (for example, `"Maximum Throughput"`).
  LabeledStatementTree | A tree node for a labeled statement.
  LabeledStatementTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  LabelUI | Pluggable look and feel interface for JLabel.
  LabelView | A `LabelView` is a styled chunk of text that represents a view mapped over an element in the text model.
  LambdaConversionException | LambdaConversionException
  LambdaExpressionTree | A tree node for a lambda expression.
  LambdaExpressionTree.BodyKind | Lambda expressions come in two forms: expression lambdas, whose body is an expression, and statement lambdas, whose body is a block
  LambdaMetafactory | Methods to facilitate the creation of simple "function objects" that implement one or more interfaces by delegation to a provided `MethodHandle`, possibly after type adaptation and partial evaluation of arguments.
  LanguageCallback | Underlying security services instantiate and pass a `LanguageCallback` to the `handle` method of a `CallbackHandler` to retrieve the `Locale` used for localizing text.
  LanguageVersion | Deprecated, for removal: This API element is subject to removal in a future version. The declarations in this package have been superseded by those in the package `jdk.javadoc.doclet`.
  LastOwnerException | Deprecated, for removal: This API element is subject to removal in a future version. This class is deprecated and subject to removal in a future version of Java SE.
  LaunchingConnector | A connector which can launch a target VM before connecting to it.
  LayeredHighlighter |
  LayeredHighlighter.LayerPainter | Layered highlight renderer.
  LayerInstantiationException | Thrown when creating a module layer fails.
  LayerUI<V extends Component> | The base class for all `JLayer`'s UI delegates.
  LayoutFocusTraversalPolicy | A SortingFocusTraversalPolicy which sorts Components based on their size, position, and orientation.
  LayoutManager | Defines the interface for classes that know how to lay out `Container`s.
  LayoutManager2 | Defines an interface for classes that know how to layout Containers based on a layout constraints object.
  LayoutPath | LayoutPath provides a mapping between locations relative to the baseline and points in user space.
  LayoutQueue | A queue of text layout tasks.
  LayoutStyle | `LayoutStyle` provides information about how to position components.
  LayoutStyle.ComponentPlacement | `ComponentPlacement` is an enumeration of the possible ways two components can be placed relative to each other.
  LDAPCertStoreParameters | Parameters used as input for the LDAP `CertStore` algorithm.
  LdapContext | This interface represents a context in which you can perform operations with LDAPv3-style controls and perform LDAPv3-style extended operations.
  LdapLoginModule | This `LoginModule` performs LDAP-based authentication.
  LdapName | This class represents a distinguished name as specified by RFC 2253.
  LdapPrincipal | A principal identified by a distinguished name as specified by RFC 2253.
  LdapReferralException | This abstract class is used to represent an LDAP referral exception.
  Lease | A lease contains a unique VM identifier and a lease duration.
  Level | The Level class defines a set of standard logging levels that can be used to control logging output.
  LexicalHandler | SAX2 extension handler for lexical events.
  LimitExceededException | This exception is thrown when a method terminates abnormally due to a user or system specified limit.
  Line | The `Line` interface represents a mono or multi-channel audio feed.
  Line.Info | A `Line.Info` object contains information about a line.
  Line2D | This `Line2D` represents a line segment in `(x,y)` coordinate space.
  Line2D.Double | A line segment specified with double coordinates.
  Line2D.Float | A line segment specified with float coordinates.
  LinearGradientPaint | The `LinearGradientPaint` class provides a way to fill a `Shape` with a linear color gradient pattern.
  LineBorder | A class which implements a line border of arbitrary thickness and of a single color.
  LineBreakMeasurer | The `LineBreakMeasurer` class allows styled text to be broken into lines (or segments) that fit within a particular visual advance.
  LineEvent | The `LineEvent` class encapsulates information that a line sends its listeners whenever the line opens, closes, starts, or stops.
  LineEvent.Type | The LineEvent.Type inner class identifies what kind of event occurred on a line.
  LineListener | Instances of classes that implement the `LineListener` interface can register to receive events when a line's status changes.
  LineMap | Provides methods to convert between character positions and line numbers for a compilation unit.
  LineMap | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  LineMetrics | The `LineMetrics` class allows access to the metrics needed to layout characters along a line and to layout of a set of lines.
  LineNumberInputStream | Deprecated. This class incorrectly assumes that bytes adequately represent characters.
  LineNumberReader | A buffered character-input stream that keeps track of line numbers.
  LineUnavailableException | A `LineUnavailableException` is an exception indicating that a line cannot be opened because it is unavailable.
  LinkageError | Subclasses of `LinkageError` indicate that a class has some dependency on another class; however, the latter class has incompatibly changed after the compilation of the former class.
  LinkedBlockingDeque<E> | An optionally-bounded blocking deque based on linked nodes.
  LinkedBlockingQueue<E> | An optionally-bounded blocking queue based on linked nodes.
  LinkedHashMap<K,​V> | Hash table and linked list implementation of the `Map` interface, with predictable iteration order.
  LinkedHashSet<E> | Hash table and linked list implementation of the `Set` interface, with predictable iteration order.
  LinkedList<E> | Doubly-linked list implementation of the `List` and `Deque` interfaces.
  LinkedTransferQueue<E> | An unbounded `TransferQueue` based on linked nodes.
  LinkerServices | Interface for services provided to `GuardingDynamicLinker` instances by the `DynamicLinker` that owns them.
  LinkException | This exception is used to describe problems encountered while resolving links.
  LinkLoopException | This exception is thrown when a loop was detected while attempting to resolve a link, or an implementation specific limit on link counts has been reached.
  LinkOption | Defines the options as to how symbolic links are handled.
  LinkPermission | The `Permission` class for link creation operations.
  LinkRef | This class represents a Reference whose contents is a name, called the link name, that is bound to an atomic name in a context.
  LinkRequest | Represents a request to link a particular invocation at a particular call site.
  LinkStyle | The `LinkStyle` interface provides a mechanism by which a style sheet can be retrieved from the node responsible for linking it into a document.
  LinkTree | A tree node for an @link or @linkplain inline tag.
  List | The `List` component presents the user with a scrolling list of text items.
  List<E> | An ordered collection (also known as a sequence).
  ListCellRenderer<E> | Identifies components that can be used as "rubber stamps" to paint the cells in a JList.
  ListDataEvent | Defines an event that encapsulates changes to a list.
  ListDataListener | ListDataListener
  ListenerNotFoundException | The specified MBean listener does not exist in the repository.
  ListeningConnector | A connector which listens for a connection initiated by a target VM.
  ListIterator<E> | An iterator for lists that allows the programmer to traverse the list in either direction, modify the list during iteration, and obtain the iterator's current position in the list.
  ListModel<E> | This interface defines the methods components like JList use to get the value of each cell in a list and the length of the list.
  ListResourceBundle | `ListResourceBundle` is an abstract subclass of `ResourceBundle` that manages resources for a locale in a convenient and easy to use list.
  ListSelectionEvent | An event that characterizes a change in selection.
  ListSelectionListener | The listener that's notified when a lists selection value changes.
  ListSelectionModel | This interface represents the current state of the selection for any of the components that display a list of values with stable indices.
  ListUI | The `JList` pluggable look and feel delegate.
  ListView | A view implementation to display an html list
  LiteralTree | A tree node for an @literal or @code inline tag.
  LiteralTree | A tree node for a literal expression.
  LiteralTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  LoaderDelegate | This interface specifies the loading specific subset of `ExecutionControl`.
  LoaderHandler | Deprecated. no replacement
  LocalDate | A date without a time-zone in the ISO-8601 calendar system, such as `2007-12-03`.
  LocalDateTime | A date-time without a time-zone in the ISO-8601 calendar system, such as `2007-12-03T10:15:30`.
  Locale | A `Locale` object represents a specific geographical, political, or cultural region.
  Locale.Builder | `Builder` is used to build instances of `Locale` from values configured by the setters.
  Locale.Category | Enum for locale categories.
  Locale.FilteringMode | This enum provides constants to select a filtering mode for locale matching.
  Locale.IsoCountryCode | Enum for specifying the type defined in ISO 3166.
  Locale.LanguageRange | This class expresses a Language Range defined in RFC 4647 Matching of Language Tags.
  LocaleNameProvider | An abstract class for service providers that provide localized names for the `Locale` class.
  LocaleServiceProvider | This is the super class of all the locale sensitive service provider interfaces (SPIs).
  LocalExecutionControl | An implementation of `ExecutionControl` which executes in the same JVM as the JShell-core.
  LocalExecutionControlProvider | A provider of execution engines which run in the same process as JShell.
  LocalTime | A time without a time-zone in the ISO-8601 calendar system, such as `10:15:30`.
  LocalVariable | A local variable in the target VM.
  Locatable | A mirror that has a `Location`.
  LocatableEvent | Abstract superinterface of events which have both location and thread.
  LocateRegistry | `LocateRegistry` is used to obtain a reference to a bootstrap remote object registry on a particular host (including the local host), or to create a remote object registry that accepts calls on a specific port.
  Location | A point within the executing code of the target VM.
  Location | Provides information on the location of an event.
  Locator | Interface for associating a SAX event with a document location.
  Locator2 | SAX2 extension to augment the entity information provided though a `Locator`.
  Locator2Impl | SAX2 extension helper for holding additional Entity information, implementing the `Locator2` interface.
  LocatorImpl | Provide an optional convenience implementation of Locator.
  Lock | `Lock` implementations provide more extensive locking operations than can be obtained using `synchronized` methods and statements.
  LockInfo | Information about a lock.
  LockSupport | Basic thread blocking primitives for creating locks and other synchronization classes.
  Logger | A Logger object is used to log messages for a specific system or application component.
  LoggingMXBean | Deprecated. `LoggingMXBean` is no longer a `platform MXBean` and is replaced with `PlatformLoggingMXBean`.
  LoggingPermission | The permission which the SecurityManager will check when code that is running with a SecurityManager calls one of the logging control methods (such as Logger.setLevel).
  LoginContext | The `LoginContext` class describes the basic methods used to authenticate Subjects and provides a way to develop an application independent of the underlying authentication technology.
  LoginException | This is the basic login exception.
  LoginModule | Service-provider interface for authentication technology providers.
  LogManager | There is a single global LogManager object that is used to maintain a set of shared state about Loggers and log services.
  LogRecord | LogRecord objects are used to pass logging requests between the logging framework and individual log Handlers.
  LogStream | Deprecated. no replacement
  Long | The `Long` class wraps a value of the primitive type `long` in an object.
  LongAccumulator | One or more variables that together maintain a running `long` value updated using a supplied function.
  LongAdder | One or more variables that together maintain an initially zero `long` sum.
  LongBinaryOperator | Represents an operation upon two `long`-valued operands and producing a `long`-valued result.
  LongBuffer | A long buffer.
  LongConsumer | Represents an operation that accepts a single `long`-valued argument and returns no result.
  LongFunction<R> | Represents a function that accepts a long-valued argument and produces a result.
  LongPredicate | Represents a predicate (boolean-valued function) of one `long`-valued argument.
  LongStream | A sequence of primitive long-valued elements supporting sequential and parallel aggregate operations.
  LongStream.Builder | A mutable builder for a `LongStream`.
  LongSummaryStatistics | A state object for collecting statistics such as count, min, max, sum, and average.
  LongSupplier | Represents a supplier of `long`-valued results.
  LongToDoubleFunction | Represents a function that accepts a long-valued argument and produces a double-valued result.
  LongToIntFunction | Represents a function that accepts a long-valued argument and produces an int-valued result.
  LongType | The type of all primitive `long` values accessed in the target VM.
  LongUnaryOperator | Represents an operation on a single `long`-valued operand that produces a `long`-valued result.
  LongValue | Provides access to a primitive `long` value in the target VM.
  LookAndFeel | `LookAndFeel`, as the name implies, encapsulates a look and feel.
  Lookup | A wrapper around `MethodHandles.Lookup` that masks checked exceptions.
  LookupOp | This class implements a lookup operation from the source to the destination.
  LookupTable | This abstract class defines a lookup table object.
  LoopTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  LSException | Parser or write operations may throw an `LSException` if the processing is stopped.
  LSInput | This interface represents an input source for data.
  LSLoadEvent | This interface represents a load event object that signals the completion of a document load.
  LSOutput | This interface represents an output destination for data.
  LSParser | An interface to an object that is able to build, or augment, a DOM tree from various input sources.
  LSParserFilter | `LSParserFilter`s provide applications the ability to examine nodes as they are being constructed while parsing.
  LSProgressEvent | This interface represents a progress event object that notifies the application about progress as a document is parsed.
  LSResourceResolver | `LSResourceResolver` provides a way for applications to redirect references to external resources.
  LSSerializer | A `LSSerializer` provides an API for serializing (writing) a DOM document out into XML.
  LSSerializerFilter | `LSSerializerFilter`s provide applications the ability to examine nodes as they are being serialized and decide what nodes should be serialized or not.
  Mac | This class provides the functionality of a "Message Authentication Code" (MAC) algorithm.
  MacSpi | This class defines the Service Provider Interface (SPI) for the `Mac` class.
  Main | A legacy programmatic interface for the Java Programming Language compiler, javac.
  Main | Deprecated, for removal: This API element is subject to removal in a future version. This class is now deprecated and may be removed in a future release.
  MalformedInputException | Checked exception thrown when an input byte sequence is not legal for given charset, or an input character sequence is not a legal sixteen-bit Unicode sequence.
  MalformedLinkException | This exception is thrown when a malformed link was encountered while resolving or constructing a link.
  MalformedObjectNameException | The format of the string does not correspond to a valid ObjectName.
  MalformedParameterizedTypeException | Thrown when a semantically malformed parameterized type is encountered by a reflective method that needs to instantiate it.
  MalformedParametersException | Thrown when `the java.lang.reflect package` attempts to read method parameters from a class file and determines that one or more parameters are malformed.
  MalformedURLException | Thrown to indicate that a malformed URL has occurred.
  ManagementFactory | The `ManagementFactory` class is a factory class for getting managed beans for the Java platform.
  ManagementPermission | The permission which the SecurityManager will check when code that is running with a SecurityManager calls methods defined in the management interface for the Java platform.
  ManageReferralControl | Requests that referral and other special LDAP objects be manipulated as normal LDAP objects.
  ManagerFactoryParameters | This class is the base interface for providing algorithm-specific information to a KeyManagerFactory or TrustManagerFactory.
  Manifest | The Manifest class is used to maintain Manifest entry names and their associated Attributes.
  Manifest | A representation of the XML `Manifest` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
  Map<K,​V> | An object that maps keys to values.
  Map.Entry<K,​V> | A map entry (key-value pair).
  MappedByteBuffer | A direct byte buffer whose content is a memory-mapped region of a file.
  MarshalException | A `MarshalException` is thrown if a `java.io.IOException` occurs while marshalling the remote call header, arguments or return value for a remote method call.
  MarshalException | Indicates an exceptional condition that occurred during the XML marshalling or unmarshalling process.
  MarshalledObject<T> | A `MarshalledObject` contains a byte stream with the serialized representation of an object given to its constructor.
  MaskFormatter | `MaskFormatter` is used to format and edit strings.
  Matcher | An engine that performs match operations on a character sequence by interpreting a `Pattern`.
  MatchResult | The result of a match operation.
  Math | The class `Math` contains methods for performing basic numeric operations such as the elementary exponential, logarithm, square root, and trigonometric functions.
  MathContext | Immutable objects which encapsulate the context settings which describe certain rules for numerical operators, such as those implemented by the `BigDecimal` class.
  MatteBorder | A class which provides a matte-like border of either a solid color or a tiled icon.
  MBeanAttributeInfo | Describes an MBean attribute exposed for management.
  MBeanConstructorInfo | Describes a constructor exposed by an MBean.
  MBeanException | Represents "user defined" exceptions thrown by MBean methods in the agent.
  MBeanFeatureInfo | Provides general information for an MBean descriptor object.
  MBeanInfo | Describes the management interface exposed by an MBean; that is, the set of attributes and operations which are available for management operations.
  MBeanNotificationInfo | The `MBeanNotificationInfo` class is used to describe the characteristics of the different notification instances emitted by an MBean, for a given Java class of notification.
  MBeanOperationInfo | Describes a management operation exposed by an MBean.
  MBeanParameterInfo | Describes an argument of an operation exposed by an MBean.
  MBeanPermission | Permission controlling access to MBeanServer operations.
  MBeanRegistration | Can be implemented by an MBean in order to carry out operations before and after being registered or unregistered from the MBean Server.
  MBeanRegistrationException | Wraps exceptions thrown by the preRegister(), preDeregister() methods of the `MBeanRegistration` interface.
  MBeanServer | This is the interface for MBean manipulation on the agent side.
  MBeanServerBuilder | This class represents a builder that creates a default `MBeanServer` implementation.
  MBeanServerConnection | This interface represents a way to talk to an MBean server, whether local or remote.
  MBeanServerDelegate | Represents the MBean server from the management point of view.
  MBeanServerDelegateMBean | Defines the management interface of an object of class MBeanServerDelegate.
  MBeanServerFactory | Provides MBean server references.
  MBeanServerForwarder | An object of this class implements the MBeanServer interface and wraps another object that also implements that interface.
  MBeanServerInvocationHandler | `InvocationHandler` that forwards methods in an MBean's management interface through the MBean server to the MBean.
  MBeanServerNotification | Represents a notification emitted by the MBean Server through the MBeanServerDelegate MBean.
  MBeanServerNotificationFilter | Filter for `MBeanServerNotification`.
  MBeanServerPermission | A Permission to perform actions related to MBeanServers.
  MBeanTrustPermission | This permission represents "trust" in a signer or codebase.
  Media | Class `Media` is a printing attribute class that specifies the medium on which to print.
  MediaList | The `MediaList` interface provides the abstraction of an ordered collection of media, without defining or constraining how this collection is implemented.
  MediaName | Class `MediaName` is a subclass of `Media`, a printing attribute class (an enumeration) that specifies the media for a print job as a name.
  MediaPrintableArea | Class `MediaPrintableArea` is a printing attribute used to distinguish the printable and non-printable areas of media.
  MediaSize | Class `MediaSize` is a two-dimensional size valued printing attribute class that indicates the dimensions of the medium in a portrait orientation, with the `X` dimension running along the bottom edge and the `Y` dimension running along the left edge.
  MediaSize.Engineering | Class `MediaSize.Engineering` includes `MediaSize` values for engineering media.
  MediaSize.ISO | Class `MediaSize.ISO` includes `MediaSize` values for ISO media.
  MediaSize.JIS | Class `MediaSize.JIS` includes `MediaSize` values for JIS (Japanese) media.
  MediaSize.NA | Class `MediaSize.NA` includes `MediaSize` values for North American media.
  MediaSize.Other | Class `MediaSize.Other` includes `MediaSize` values for miscellaneous media.
  MediaSizeName | Class `MediaSizeName` is a subclass of `Media`.
  MediaTracker | The `MediaTracker` class is a utility class to track the status of a number of media objects.
  MediaTray | Class `MediaTray` is a subclass of `Media`.
  Member | Member is an interface that reflects identifying information about a single member (a field or a method) or a constructor.
  MemberDoc | Deprecated, for removal: This API element is subject to removal in a future version. The declarations in this package have been superseded by those in the package `jdk.javadoc.doclet`.
  MemberReferenceTree | A tree node for a member reference expression.
  MemberReferenceTree.ReferenceMode | There are two kinds of member references: (i) method references and (ii) constructor references
  MemberSelectTree | A tree node for a member access expression.
  MemberSelectTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  MembershipKey | A token representing the membership of an Internet Protocol (IP) multicast group.
  MemoryAddress | Event field annotation, specifies that the value is a memory address.
  MemoryCacheImageInputStream | An implementation of `ImageInputStream` that gets its input from a regular `InputStream`.
  MemoryCacheImageOutputStream | An implementation of `ImageOutputStream` that writes its output to a regular `OutputStream`.
  MemoryHandler | `Handler` that buffers requests in a circular buffer in memory.
  MemoryImageSource | This class is an implementation of the ImageProducer interface which uses an array to produce pixel values for an Image.
  MemoryManagerMXBean | The management interface for a memory manager.
  MemoryMXBean | The management interface for the memory system of the Java virtual machine.
  MemoryNotificationInfo | The information about a memory notification.
  MemoryPoolMXBean | The management interface for a memory pool.
  MemoryType | Types of `memory pools`.
  MemoryUsage | A `MemoryUsage` object represents a snapshot of memory usage.
  Menu | A `Menu` object is a pull-down menu component that is deployed from a menu bar.
  MenuBar | The `MenuBar` class encapsulates the platform's concept of a menu bar bound to a frame.
  MenuBarUI | Pluggable look and feel interface for JMenuBar.
  MenuComponent | The abstract class `MenuComponent` is the superclass of all menu-related components.
  MenuContainer | The super class of all menu related containers.
  MenuDragMouseEvent | MenuDragMouseEvent is used to notify interested parties that the menu element has received a MouseEvent forwarded to it under drag conditions.
  MenuDragMouseListener | Defines a menu mouse-drag listener.
  MenuElement | Any component that can be placed into a menu should implement this interface.
  MenuEvent | MenuEvent is used to notify interested parties that the menu which is the event source has been posted, selected, or canceled.
  MenuItem | All items in a menu must belong to the class `MenuItem`, or one of its subclasses.
  MenuItemUI | Pluggable look and feel interface for JMenuItem.
  MenuKeyEvent | MenuKeyEvent is used to notify interested parties that the menu element has received a KeyEvent forwarded to it in a menu tree.
  MenuKeyListener | MenuKeyListener
  MenuListener | Defines a listener for menu events.
  MenuSelectionManager | A MenuSelectionManager owns the selection in menu hierarchy.
  MenuShortcut | The `MenuShortcut` class represents a keyboard accelerator for a MenuItem.
  MessageDigest | This MessageDigest class provides applications the functionality of a message digest algorithm, such as SHA-1 or SHA-256.
  MessageDigestSpi | This class defines the Service Provider Interface (SPI) for the `MessageDigest` class, which provides the functionality of a message digest algorithm, such as MD5 or SHA.
  MessageFormat | `MessageFormat` provides a means to produce concatenated messages in a language-neutral way.
  MessageFormat.Field | Defines constants that are used as attribute keys in the `AttributedCharacterIterator` returned from `MessageFormat.formatToCharacterIterator`.
  MessageInfo | The `MessageInfo` class provides additional ancillary information about messages.
  MessageProp | This is a utility class used within the per-message GSSContext methods to convey per-message properties.
  Messager | A `Messager` provides the way for an annotation processor to report error messages, warnings, and other notices.
  MetadataDefinition | Meta annotation for defining new types of event metadata.
  MetaEventListener | The `MetaEventListener` interface should be implemented by classes whose instances need to be notified when a `Sequencer` has processed a `MetaMessage`.
  MetalBorders | Factory object that can vend Borders appropriate for the metal L & F.
  MetalBorders.ButtonBorder | The class represents the border of a `JButton`.
  MetalBorders.Flush3DBorder | The class represents the 3D border.
  MetalBorders.InternalFrameBorder | The class represents the border of a `JInternalFrame`.
  MetalBorders.MenuBarBorder | The class represents the border of a `JMenuBar`.
  MetalBorders.MenuItemBorder | The class represents the border of a `JMenuItem`.
  MetalBorders.OptionDialogBorder | The class represents the border of an option dialog.
  MetalBorders.PaletteBorder | Border for a Palette.
  MetalBorders.PopupMenuBorder | The class represents the border of a `JPopupMenu`.
  MetalBorders.RolloverButtonBorder | The class represents the border of a rollover `Button`.
  MetalBorders.ScrollPaneBorder | The class represents the border of a `JScrollPane`.
  MetalBorders.TableHeaderBorder | Border for a Table Header
  MetalBorders.TextFieldBorder | The class represents the border of a `JTestField`.
  MetalBorders.ToggleButtonBorder |
  MetalBorders.ToolBarBorder | The class represents the border of a `JToolBar`.
  MetalButtonUI | MetalButtonUI implementation
  MetalCheckBoxIcon | CheckboxIcon implementation for OrganicCheckBoxUI
  MetalCheckBoxUI | CheckboxUI implementation for MetalCheckboxUI
  MetalComboBoxButton | JButton subclass to help out MetalComboBoxUI
  MetalComboBoxEditor | The default editor for Metal editable combo boxes
  MetalComboBoxEditor.UIResource | A subclass of BasicComboBoxEditor that implements UIResource.
  MetalComboBoxIcon | This utility class draws the horizontal bars which indicate a MetalComboBox
  MetalComboBoxUI | Metal UI for JComboBox
  MetalDesktopIconUI | Metal desktop icon.
  MetalFileChooserUI | Metal L&F implementation of a FileChooser.
  MetalIconFactory | Factory object that vends `Icon`s for the Java™ look and feel (Metal).
  MetalIconFactory.FileIcon16 | Warning: Serialized objects of this class will not be compatible with future Swing releases.
  MetalIconFactory.FolderIcon16 | Warning: Serialized objects of this class will not be compatible with future Swing releases.
  MetalIconFactory.PaletteCloseIcon | Defines an icon for Palette close
  MetalIconFactory.TreeControlIcon | Warning: Serialized objects of this class will not be compatible with future Swing releases.
  MetalIconFactory.TreeFolderIcon | Warning: Serialized objects of this class will not be compatible with future Swing releases.
  MetalIconFactory.TreeLeafIcon | The class represents a tree leaf icon.
  MetalInternalFrameTitlePane | Class that manages a JLF title bar
  MetalInternalFrameUI | Metal implementation of JInternalFrame.
  MetalLabelUI | A Windows L&F implementation of LabelUI.
  MetalLookAndFeel | The Java Look and Feel, otherwise known as Metal.
  MetalMenuBarUI | Metal implementation of `MenuBarUI`.
  MetalPopupMenuSeparatorUI | A Metal L&F implementation of PopupMenuSeparatorUI.
  MetalProgressBarUI | The Metal implementation of ProgressBarUI.
  MetalRadioButtonUI | RadioButtonUI implementation for MetalRadioButtonUI
  MetalRootPaneUI | Provides the metal look and feel implementation of `RootPaneUI`.
  MetalScrollBarUI | Implementation of ScrollBarUI for the Metal Look and Feel
  MetalScrollButton | JButton object for Metal scrollbar arrows.
  MetalScrollPaneUI | A Metal L&F implementation of ScrollPaneUI.
  MetalSeparatorUI | A Metal L&F implementation of SeparatorUI.
  MetalSliderUI | A Java L&F implementation of SliderUI.
  MetalSplitPaneUI | Metal split pane.
  MetalTabbedPaneUI | The Metal subclass of BasicTabbedPaneUI.
  MetalTextFieldUI | Basis of a look and feel for a JTextField.
  MetalTheme | `MetalTheme` provides the color palette and fonts used by the Java Look and Feel.
  MetalToggleButtonUI | MetalToggleButton implementation
  MetalToolBarUI | A Metal Look and Feel implementation of ToolBarUI.
  MetalToolTipUI | A Metal L&F extension of BasicToolTipUI.
  MetalTreeUI | The metal look and feel implementation of `TreeUI`.
  MetaMessage | A `MetaMessage` is a `MidiMessage` that is not meaningful to synthesizers, but that can be stored in a MIDI file and interpreted by a sequencer program.
  Method | A static or instance method in the target VM.
  Method | A `Method` provides information about, and access to, a single method on a class or interface.
  MethodDescriptor | A MethodDescriptor describes a particular method that a Java Bean supports for external access from other components.
  MethodDoc | Deprecated, for removal: This API element is subject to removal in a future version. The declarations in this package have been superseded by those in the package `jdk.javadoc.doclet`.
  MethodEntryEvent | Notification of a method invocation in the target VM.
  MethodEntryRequest | Request for notification when a method is invoked in the target VM.
  MethodExitEvent | Notification of a method return in the target VM.
  MethodExitRequest | Request for notification when a method returns in the target VM.
  MethodHandle | A method handle is a typed, directly executable reference to an underlying method, constructor, field, or similar low-level operation, with optional transformations of arguments or return values.
  MethodHandleInfo | A symbolic reference obtained by cracking a direct method handle into its consitutent symbolic parts.
  MethodHandleProxies | This class consists exclusively of static methods that help adapt method handles to other JVM types, such as interfaces.
  MethodHandles | This class consists exclusively of static methods that operate on or return method handles.
  MethodHandles.Lookup | A lookup object is a factory for creating method handles, when the creation requires access checking.
  MethodHandleTransformer | A generic interface describing operations that transform method handles.
  MethodInvocationTree | A tree node for a method invocation expression.
  MethodSnippet | Snippet for a method definition.
  MethodTree | A tree node for a method or annotation type element declaration.
  MethodType | A method type represents the arguments and return type accepted and returned by a method handle, or the arguments and return type passed and expected by a method handle caller.
  MethodTypeConversionStrategy | Interface for objects representing a strategy for converting a method handle to a new type.
  MGF1ParameterSpec | This class specifies the set of parameters used with mask generation function MGF1 in OAEP Padding and RSASSA-PSS signature scheme, as defined in the PKCS#1 v2.2 standard.
  MidiChannel | A `MidiChannel` object represents a single MIDI channel.
  MidiDevice | `MidiDevice` is the base interface for all MIDI devices.
  MidiDevice.Info | A `MidiDevice.Info` object contains assorted data about a `MidiDevice`, including its name, the company who created it, and descriptive text.
  MidiDeviceProvider | A `MidiDeviceProvider` is a factory or provider for a particular type of MIDI device.
  MidiDeviceReceiver | `MidiDeviceReceiver` is a `Receiver` which represents a MIDI input connector of a `MidiDevice` (see `MidiDevice.getReceiver()`).
  MidiDeviceTransmitter | `MidiDeviceTransmitter` is a `Transmitter` which represents a MIDI input connector of a `MidiDevice` (see `MidiDevice.getTransmitter()`).
  MidiEvent | MIDI events contain a MIDI message and a corresponding time-stamp expressed in ticks, and can represent the MIDI event information stored in a MIDI file or a `Sequence` object.
  MidiFileFormat | A `MidiFileFormat` object encapsulates a MIDI file's type, as well as its length and timing information.
  MidiFileReader | A `MidiFileReader` supplies MIDI file-reading services.
  MidiFileWriter | A `MidiFileWriter` supplies MIDI file-writing services.
  MidiMessage | `MidiMessage` is the base class for MIDI messages.
  MidiSystem | The `MidiSystem` class provides access to the installed MIDI system resources, including devices such as synthesizers, sequencers, and MIDI input and output ports.
  MidiUnavailableException | A `MidiUnavailableException` is thrown when a requested MIDI component cannot be opened or created because it is unavailable.
  MimeTypeParseException | A class to encapsulate MimeType parsing related exceptions.
  MinguoChronology | The Minguo calendar system.
  MinguoDate | A date in the Minguo calendar system.
  MinguoEra | An era in the Minguo calendar system.
  MinimalHTMLWriter | MinimalHTMLWriter is a fallback writer used by the HTMLEditorKit to write out HTML for a document that is a not produced by the EditorKit.
  Mirror | A proxy used by a debugger to examine or manipulate some entity in another virtual machine.
  MirroredTypeException | Thrown when an application attempts to access the `Class` object corresponding to a `TypeMirror`.
  MirroredTypesException | Thrown when an application attempts to access a sequence of `Class` objects each corresponding to a `TypeMirror`.
  MissingFormatArgumentException | Unchecked exception thrown when there is a format specifier which does not have a corresponding argument or if an argument index refers to an argument that does not exist.
  MissingFormatWidthException | Unchecked exception thrown when the format width is required.
  MissingMemberHandlerFactory | A factory for creating method handles for linking missing member behavior in `BeansLinker`.
  MissingResourceException | Signals that a resource is missing.
  Mixer | A mixer is an audio device with one or more lines.
  Mixer.Info | The `Mixer.Info` class represents information about an audio mixer, including the product's name, version, and vendor, along with a textual description.
  MixerProvider | A provider or factory for a particular mixer type.
  MLet | Allows you to instantiate and register one or several MBeans in the MBean server coming from a remote URL.
  MLetContent | This class represents the contents of the `MLET` tag.
  MLetMBean | Exposes the remote management interface of the MLet MBean.
  ModelMBean | This interface must be implemented by the ModelMBeans.
  ModelMBeanAttributeInfo | The ModelMBeanAttributeInfo object describes an attribute of the ModelMBean.
  ModelMBeanConstructorInfo | The ModelMBeanConstructorInfo object describes a constructor of the ModelMBean.
  ModelMBeanInfo | This interface is implemented by the ModelMBeanInfo for every ModelMBean.
  ModelMBeanInfoSupport | This class represents the meta data for ModelMBeans.
  ModelMBeanNotificationBroadcaster | This interface must be implemented by the ModelMBeans.
  ModelMBeanNotificationInfo | The ModelMBeanNotificationInfo object describes a notification emitted by a ModelMBean.
  ModelMBeanOperationInfo | The ModelMBeanOperationInfo object describes a management operation of the ModelMBean.
  ModificationItem | This class represents a modification item.
  ModificationWatchpointEvent | Notification of a field modification in the target VM.
  ModificationWatchpointRequest | Request for notification when a field is set.
  Modifier | The Modifier class provides `static` methods and constants to decode class and member access modifiers.
  Modifier | Represents a modifier on a program element such as a class, method, or field.
  ModifiersTree | A tree node for the modifiers, including annotations, for a declaration.
  Module | Represents a run-time module, either `named` or unnamed.
  ModuleDescriptor | A module descriptor.
  ModuleDescriptor.Builder | A builder for building `ModuleDescriptor` objects.
  ModuleDescriptor.Exports | A package exported by a module, may be qualified or unqualified.
  ModuleDescriptor.Exports.Modifier | A modifier on an exported package.
  ModuleDescriptor.Modifier | A modifier on a module.
  ModuleDescriptor.Opens | A package opened by a module, may be qualified or unqualified.
  ModuleDescriptor.Opens.Modifier | A modifier on an open package.
  ModuleDescriptor.Provides | A service that a module provides one or more implementations of.
  ModuleDescriptor.Requires | A dependence upon a module
  ModuleDescriptor.Requires.Modifier | A modifier on a module dependence.
  ModuleDescriptor.Version | A module's version string.
  ModuleElement | Represents a module program element.
  ModuleElement.Directive | Represents a directive within the declaration of this module.
  ModuleElement.DirectiveKind | The `kind` of a directive.
  ModuleElement.DirectiveVisitor<R,​P> | A visitor of module directives, in the style of the visitor design pattern.
  ModuleElement.ExportsDirective | An exported package of a module.
  ModuleElement.OpensDirective | An opened package of a module.
  ModuleElement.ProvidesDirective | An implementation of a service provided by a module.
  ModuleElement.RequiresDirective | A dependency of a module.
  ModuleElement.UsesDirective | A reference to a service used by a module.
  ModuleFinder | A finder of modules.
  ModuleLayer | A layer of modules in the Java virtual machine.
  ModuleLayer.Controller | Controls a module layer.
  ModuleReader | Provides access to the content of a module.
  ModuleReference | A module in the target VM.
  ModuleReference | A reference to a module's content.
  ModuleTree | A tree node for a module declaration.
  ModuleTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  ModuleTree.ModuleKind | The kind of the module.
  Monitor | Defines the part common to all monitor MBeans.
  MonitorContendedEnteredEvent | Notification that a thread in the target VM is entering a monitor after waiting for it to be released by another thread.
  MonitorContendedEnteredRequest | Request for notification of a thread in the target VM entering a monitor after waiting for it to be released by another thread.
  MonitorContendedEnterEvent | Notification that a thread in the target VM is attempting to enter a monitor that is already acquired by another thread.
  MonitorContendedEnterRequest | Request for notification of a thread in the target VM attempting to enter a monitor already acquired by another thread.
  MonitorInfo | Information about a monitor owned by a thread.
  MonitorInfo | Information about an object monitor lock.
  MonitorMBean | Exposes the remote management interface of monitor MBeans.
  MonitorNotification | Provides definitions of the notifications sent by monitor MBeans.
  MonitorSettingException | Exception thrown by the monitor when a monitor setting becomes invalid while the monitor is running.
  MonitorWaitedEvent | Notification that a thread in the target VM has finished waiting on an monitor object.
  MonitorWaitedRequest | Request for notification when a thread in the target VM has finished waiting on a monitor object.
  MonitorWaitEvent | Notification that a thread in the target VM is about to wait on a monitor object.
  MonitorWaitRequest | Request for notification when a thread in the target VM is about to wait on a monitor object.
  Month | A month-of-year, such as 'July'.
  MonthDay | A month-day in the ISO-8601 calendar system, such as `--12-03`.
  MouseAdapter | An abstract adapter class for receiving mouse events.
  MouseDragGestureRecognizer | This abstract subclass of `DragGestureRecognizer` defines a `DragGestureRecognizer` for mouse-based gestures.
  MouseEvent | An event which indicates that a mouse action occurred in a component.
  MouseEvent | The `MouseEvent` interface provides specific contextual information associated with Mouse events.
  MouseInfo | `MouseInfo` provides methods for getting information about the mouse, such as mouse pointer location and the number of mouse buttons.
  MouseInputAdapter | An empty implementation of the `MouseInputListener` interface, provided as a convenience to simplify the task of creating listeners, by extending and implementing only the methods of interest.
  MouseInputListener | A listener implementing all the methods in both the `MouseListener` and `MouseMotionListener` interfaces.
  MouseListener | The listener interface for receiving "interesting" mouse events (press, release, click, enter, and exit) on a component.
  MouseMotionAdapter | An abstract adapter class for receiving mouse motion events.
  MouseMotionListener | The listener interface for receiving mouse motion events on a component.
  MouseWheelEvent | An event which indicates that the mouse wheel was rotated in a component.
  MouseWheelListener | The listener interface for receiving mouse wheel events on a component.
  MultiButtonUI | A multiplexing UI used to combine `ButtonUI`s.
  MulticastChannel | A network channel that supports Internet Protocol (IP) multicasting.
  MulticastSocket | The multicast datagram socket class is useful for sending and receiving IP multicast packets.
  MultiColorChooserUI | A multiplexing UI used to combine `ColorChooserUI`s.
  MultiComboBoxUI | A multiplexing UI used to combine `ComboBoxUI`s.
  MultiDesktopIconUI | A multiplexing UI used to combine `DesktopIconUI`s.
  MultiDesktopPaneUI | A multiplexing UI used to combine `DesktopPaneUI`s.
  MultiDoc | Interface `MultiDoc` specifies the interface for an object that supplies more than one piece of print data for a Print Job.
  MultiDocPrintJob | Obtained from a `MultiDocPrintService`, a `MultiDocPrintJob` can print a specified collection of documents as a single print job with a set of job attributes.
  MultiDocPrintService | Interface `MultiPrintService` is the factory for a `MultiDocPrintJob`.
  MultiFileChooserUI | A multiplexing UI used to combine `FileChooserUI`s.
  MultiInternalFrameUI | A multiplexing UI used to combine `InternalFrameUI`s.
  MultiLabelUI | A multiplexing UI used to combine `LabelUI`s.
  MultiListUI | A multiplexing UI used to combine `ListUI`s.
  MultiLookAndFeel | A multiplexing look and feel that allows more than one UI to be associated with a component at the same time.
  MultiMenuBarUI | A multiplexing UI used to combine `MenuBarUI`s.
  MultiMenuItemUI | A multiplexing UI used to combine `MenuItemUI`s.
  MultiOptionPaneUI | A multiplexing UI used to combine `OptionPaneUI`s.
  MultiPanelUI | A multiplexing UI used to combine `PanelUI`s.
  MultiPixelPackedSampleModel | The `MultiPixelPackedSampleModel` class represents one-banded images and can pack multiple one-sample pixels into one data element.
  MultipleDocumentHandling | Class `MultipleDocumentHandling` is a printing attribute class, an enumeration, that controls finishing operations and the placement of one or more print-stream pages into impressions and onto media sheets.
  MultipleGradientPaint | This is the superclass for Paints which use a multiple color gradient to fill in their raster.
  MultipleGradientPaint.ColorSpaceType | The color space in which to perform the gradient interpolation.
  MultipleGradientPaint.CycleMethod | The method to use when painting outside the gradient bounds.
  MultipleMaster | The `MultipleMaster` interface represents Type 1 Multiple Master fonts.
  MultiPopupMenuUI | A multiplexing UI used to combine `PopupMenuUI`s.
  MultiProgressBarUI | A multiplexing UI used to combine `ProgressBarUI`s.
  MultiResolutionImage | This interface is designed to be an optional additional API supported by some implementations of `Image` to allow them to provide alternate images for various rendering resolutions.
  MultiRootPaneUI | A multiplexing UI used to combine `RootPaneUI`s.
  MultiScrollBarUI | A multiplexing UI used to combine `ScrollBarUI`s.
  MultiScrollPaneUI | A multiplexing UI used to combine `ScrollPaneUI`s.
  MultiSeparatorUI | A multiplexing UI used to combine `SeparatorUI`s.
  MultiSliderUI | A multiplexing UI used to combine `SliderUI`s.
  MultiSpinnerUI | A multiplexing UI used to combine `SpinnerUI`s.
  MultiSplitPaneUI | A multiplexing UI used to combine `SplitPaneUI`s.
  MultiTabbedPaneUI | A multiplexing UI used to combine `TabbedPaneUI`s.
  MultiTableHeaderUI | A multiplexing UI used to combine `TableHeaderUI`s.
  MultiTableUI | A multiplexing UI used to combine `TableUI`s.
  MultiTextUI | A multiplexing UI used to combine `TextUI`s.
  MultiToolBarUI | A multiplexing UI used to combine `ToolBarUI`s.
  MultiToolTipUI | A multiplexing UI used to combine `ToolTipUI`s.
  MultiTreeUI | A multiplexing UI used to combine `TreeUI`s.
  MultiViewportUI | A multiplexing UI used to combine `ViewportUI`s.
  MutableAttributeSet | A generic interface for a mutable collection of unique attributes.
  MutableCallSite | A `MutableCallSite` is a `CallSite` whose target variable behaves like an ordinary field.
  MutableComboBoxModel<E> | A mutable version of `ComboBoxModel`.
  MutableTreeNode | Defines the requirements for a tree node object that can change -- by adding or removing child nodes, or by changing the contents of a user object stored in the node.
  MutationEvent | The `MutationEvent` interface provides specific contextual information associated with Mutation events.
  MXBean | Annotation to mark an interface explicitly as being an MXBean interface, or as not being an MXBean interface.
  Name | An immutable sequence of characters.
  Name | The `Name` interface represents a generic name -- an ordered sequence of components.
  Name | Annotation that overrides the default name for an element (for example, when the default package for an event is not appropriate).
  NameAlreadyBoundException | This exception is thrown by methods to indicate that a binding cannot be added because the name is already bound to another object.
  NameCallback | Underlying security services instantiate and pass a `NameCallback` to the `handle` method of a `CallbackHandler` to retrieve name information.
  NameClassPair | This class represents the object name and class name pair of a binding found in a context.
  NamedNodeMap | Objects implementing the `NamedNodeMap` interface are used to represent collections of nodes that can be accessed by name.
  NamedOperation | Operation that associates a name with another operation.
  NamedParameterSpec | This class is used to specify any algorithm parameters that are determined by a standard name.
  NameList | The `NameList` interface provides the abstraction of an ordered collection of parallel pairs of name and namespace values (which could be null values), without defining or constraining how this collection is implemented.
  NameNotFoundException | This exception is thrown when a component of the name cannot be resolved because it is not bound.
  NameParser | This interface is used for parsing names from a hierarchical namespace.
  Namespace | An interface that contains information about a namespace.
  Namespace | An object that describes a namespace that is the target of a dynamic operation on an object.
  NamespaceChangeListener | Specifies the methods that a listener interested in namespace changes must implement.
  NamespaceContext | Interface for read only XML Namespace context processing.
  NamespaceOperation | Describes an operation that operates on at least one `Namespace` of an object.
  NamespaceSupport | Encapsulate Namespace logic for use by applications using SAX, or internally by SAX drivers.
  Naming | The `Naming` class provides methods for storing and obtaining references to remote objects in a remote object registry.
  NamingEnumeration<T> | This interface is for enumerating lists returned by methods in the javax.naming and javax.naming.directory packages.
  NamingEvent | This class represents an event fired by a naming/directory service.
  NamingException | This is the superclass of all exceptions thrown by operations in the Context and DirContext interfaces.
  NamingExceptionEvent | This class represents an event fired when the procedures/processes used to collect information for notifying listeners of `NamingEvent`s threw a `NamingException`.
  NamingListener | This interface is the root of listener interfaces that handle `NamingEvent`s.
  NamingManager | This class contains methods for creating context objects and objects referred to by location information in the naming or directory service.
  NamingSecurityException | This is the superclass of security-related exceptions thrown by operations in the Context and DirContext interfaces.
  NashornException | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  NashornScriptEngine | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  NashornScriptEngineFactory | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  Native | Indicates that a field defining a constant value may be referenced from native code.
  NativeMethodException | Thrown to indicate an operation cannot be completed because it is not valid for a native method.
  NavigableMap<K,​V> | A `SortedMap` extended with navigation methods returning the closest matches for given search targets.
  NavigableSet<E> | A `SortedSet` extended with navigation methods reporting closest matches for given search targets.
  NavigationFilter | `NavigationFilter` can be used to restrict where the cursor can be positioned.
  NavigationFilter.FilterBypass | Used as a way to circumvent calling back into the caret to position the cursor.
  NClob | The mapping in the Java™ programming language for the SQL `NCLOB` type.
  NegativeArraySizeException | Thrown if an application tries to create an array with negative size.
  NestingKind | The nesting kind of a type element.
  NetPermission | This class is for various network permissions.
  NetworkChannel | A channel to a network socket.
  NetworkInterface | This class represents a Network Interface made up of a name, and a list of IP addresses assigned to this interface.
  NetworkPermission | Represents permission to access the extended networking capabilities defined in the jdk.net package.
  NewArrayTree | A tree node for an expression to create a new instance of an array.
  NewClassTree | A tree node to declare a new instance of a class.
  NewTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  NimbusLookAndFeel | The NimbusLookAndFeel class.
  NimbusStyle | A SynthStyle implementation used by Nimbus.
  NoClassDefFoundError | Thrown if the Java Virtual Machine or a `ClassLoader` instance tries to load in the definition of a class (as part of a normal method call or as part of creating a new instance using the `new` expression) and no definition of the class could be found.
  NoConnectionPendingException | Unchecked exception thrown when the `finishConnect` method of a `SocketChannel` is invoked without first successfully invoking its `connect` method.
  Node | The `Node` interface is the primary datatype for the entire Document Object Model.
  NodeChangeEvent | An event emitted by a `Preferences` node to indicate that a child of that node has been added or removed.
  NodeChangeListener | A listener for receiving preference node change events.
  NodeFilter | Filters are objects that know how to "filter out" nodes.
  NodeIterator | `NodeIterators` are used to step through a set of nodes, e.g.
  NodeList | The `NodeList` interface provides the abstraction of an ordered collection of nodes, without defining or constraining how this collection is implemented.
  NodeSetData<T> | An abstract representation of a `Data` type containing a node-set.
  NoInitialContextException | This exception is thrown when no initial context implementation can be created.
  NoninvertibleTransformException | The `NoninvertibleTransformException` class represents an exception that is thrown if an operation is performed requiring the inverse of an `AffineTransform` object but the `AffineTransform` is in a non-invertible state.
  NonReadableChannelException | Unchecked exception thrown when an attempt is made to read from a channel that was not originally opened for reading.
  NonWritableChannelException | Unchecked exception thrown when an attempt is made to write to a channel that was not originally opened for writing.
  NoPermissionException | This exception is thrown when attempting to perform an operation for which the client has no permission.
  Normalizer | This class provides the method `normalize` which transforms Unicode text into an equivalent composed or decomposed form, allowing for easier sorting and searching of text.
  Normalizer.Form | This enum provides constants of the four Unicode normalization forms that are described in Unicode Standard Annex #15 — Unicode Normalization Forms and two methods to access them.
  NoRouteToHostException | Signals that an error occurred while attempting to connect a socket to a remote address and port.
  NoSuchAlgorithmException | This exception is thrown when a particular cryptographic algorithm is requested but is not available in the environment.
  NoSuchAttributeException | This exception is thrown when attempting to access an attribute that does not exist.
  NoSuchDynamicMethodException | Thrown at the invocation if the call site can not be linked by any available `GuardingDynamicLinker`.
  NoSuchElementException | Thrown by various accessor methods to indicate that the element being requested does not exist.
  NoSuchFieldError | Thrown if an application tries to access or modify a specified field of an object, and that object no longer has that field.
  NoSuchFieldException | Signals that the class doesn't have a field of a specified name.
  NoSuchFileException | Checked exception thrown when an attempt is made to access a file that does not exist.
  NoSuchMechanismException | This exception is thrown when a particular XML mechanism is requested but is not available in the environment.
  NoSuchMethodError | Thrown if an application tries to call a specified method of a class (either static or instance), and that class no longer has a definition of that method.
  NoSuchMethodException | Thrown when a particular method cannot be found.
  NoSuchObjectException | A `NoSuchObjectException` is thrown if an attempt is made to invoke a method on an object that no longer exists in the remote virtual machine.
  NoSuchPaddingException | This exception is thrown when a particular padding mechanism is requested but is not available in the environment.
  NoSuchProviderException | This exception is thrown when a particular security provider is requested but is not available in the environment.
  NotActiveException | Thrown when serialization or deserialization is not active.
  Notation | This interface represents a notation declared in the DTD.
  NotationDeclaration | An interface for handling Notation Declarations Receive notification of a notation declaration event.
  NotBoundException | A `NotBoundException` is thrown if an attempt is made to lookup or unbind in the registry a name that has no associated binding.
  NotCompliantMBeanException | Exception which occurs when trying to register an object in the MBean server that is not a JMX compliant MBean.
  NotContextException | This exception is thrown when a naming operation proceeds to a point where a context is required to continue the operation, but the resolved object is not a context.
  NotDirectoryException | Checked exception thrown when a file system operation, intended for a directory, fails because the file is not a directory.
  Notification | A notification from the SCTP stack.
  Notification | The Notification class represents a notification emitted by an MBean.
  NotificationBroadcaster | Interface implemented by an MBean that emits Notifications.
  NotificationBroadcasterSupport | Provides an implementation of `NotificationEmitter` interface.
  NotificationEmitter | Interface implemented by an MBean that emits Notifications.
  NotificationFilter | To be implemented by a any class acting as a notification filter.
  NotificationFilterSupport | Provides an implementation of the `NotificationFilter` interface.
  NotificationHandler<T> | A handler for consuming notifications from the SCTP stack.
  NotificationListener | Should be implemented by an object that wants to receive notifications.
  NotificationResult | Result of a query for buffered notifications.
  NotLinkException | Checked exception thrown when a file system operation fails because a file is not a symbolic link.
  NotOwnerException | Deprecated, for removal: This API element is subject to removal in a future version. This class is deprecated and subject to removal in a future version of Java SE.
  NotSerializableException | Thrown when an instance is required to have a Serializable interface.
  NotYetBoundException | Unchecked exception thrown when an attempt is made to invoke an I/O operation upon a server socket channel that is not yet bound.
  NotYetConnectedException | Unchecked exception thrown when an attempt is made to invoke an I/O operation upon a socket channel that is not yet connected.
  NoType | A pseudo-type used where no actual type is appropriate.
  NTDomainPrincipal | This class implements the `Principal` interface and represents the name of the Windows NT domain into which the user authenticated.
  NTLoginModule | This `LoginModule` renders a user's NT security information as some number of `Principal`s and associates them with a `Subject`.
  NTNumericCredential | This class abstracts an NT security token and provides a mechanism to do same-process security impersonation.
  NTSid | This class implements the `Principal` interface and represents information about a Windows NT user, group or realm.
  NTSidDomainPrincipal | This class extends `NTSid` and represents a Windows NT user's domain SID.
  NTSidGroupPrincipal | This class extends `NTSid` and represents one of the groups to which a Windows NT user belongs.
  NTSidPrimaryGroupPrincipal | This class extends `NTSid` and represents a Windows NT user's primary group SID.
  NTSidUserPrincipal | This class extends `NTSid` and represents a Windows NT user's SID.
  NTSystem | This class implementation retrieves and makes available NT security information for the current user.
  NTUserPrincipal | This class implements the `Principal` interface and represents a Windows NT user.
  NullCipher | The NullCipher class is a class that provides an "identity cipher" -- one that does not transform the plain text.
  NullPointerException | Thrown when an application attempts to use `null` in a case where an object is required.
  NullType | Represents the null type.
  Number | The abstract class `Number` is the superclass of platform classes representing numeric values that are convertible to the primitive types `byte`, `double`, `float`, `int`, `long`, and `short`.
  NumberFormat | `NumberFormat` is the abstract base class for all number formats.
  NumberFormat.Field | Defines constants that are used as attribute keys in the `AttributedCharacterIterator` returned from `NumberFormat.formatToCharacterIterator` and as field identifiers in `FieldPosition`.
  NumberFormatException | Thrown to indicate that the application has attempted to convert a string to one of the numeric types, but that the string does not have the appropriate format.
  NumberFormatProvider | An abstract class for service providers that provide concrete implementations of the `NumberFormat` class.
  NumberFormatter | `NumberFormatter` subclasses `InternationalFormatter` adding special behavior for numbers.
  NumberOfDocuments | Class `NumberOfDocuments` is an integer valued printing attribute that indicates the number of individual docs the printer has accepted for this job, regardless of whether the docs' print data has reached the printer or not.
  NumberOfInterveningJobs | Class `NumberOfInterveningJobs` is an integer valued printing attribute that indicates the number of jobs that are ahead of this job in the relative chronological order of expected time to complete (i.e., the current scheduled order).
  NumberUp | Class `NumberUp` is an integer valued printing attribute class that specifies the number of print-stream pages to impose upon a single side of an instance of a selected medium.
  NumberUpSupported | Class `NumberUpSupported` is a printing attribute class, a set of integers, that gives the supported values for a `NumberUp` attribute.
  NumericShaper | The `NumericShaper` class is used to convert Latin-1 (European) digits to other Unicode decimal digits.
  NumericShaper.Range | A `NumericShaper.Range` represents a Unicode range of a script having its own decimal digits.
  OAEPParameterSpec | This class specifies the set of parameters used with OAEP Padding, as defined in the PKCS#1 v2.2 standard.
  ObjDoubleConsumer<T> | Represents an operation that accepts an object-valued and a `double`-valued argument, and returns no result.
  Object | Class `Object` is the root of the class hierarchy.
  ObjectChangeListener | Specifies the method that a listener of a `NamingEvent` with event type of `OBJECT_CHANGED` must implement.
  ObjectCollectedException | Thrown to indicate that the requested operation cannot be completed because the specified object has been garbage collected.
  ObjectFactory | This interface represents a factory for creating an object.
  ObjectFactoryBuilder | This interface represents a builder that creates object factories.
  ObjectInput | ObjectInput extends the DataInput interface to include the reading of objects.
  ObjectInputFilter | Filter classes, array lengths, and graph metrics during deserialization.
  ObjectInputFilter.Config | A utility class to set and get the process-wide filter or create a filter from a pattern string.
  ObjectInputFilter.FilterInfo | FilterInfo provides access to information about the current object being deserialized and the status of the `ObjectInputStream`.
  ObjectInputFilter.Status | The status of a check on the class, array length, number of references, depth, and stream size.
  ObjectInputStream | An ObjectInputStream deserializes primitive data and objects previously written using an ObjectOutputStream.
  ObjectInputStream.GetField | Provide access to the persistent fields read from the input stream.
  ObjectInputValidation | Callback interface to allow validation of objects within a graph.
  ObjectInstance | Used to represent the object name of an MBean and its class name.
  ObjectLiteralTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  ObjectName | Represents the object name of an MBean, or a pattern that can match the names of several MBeans.
  ObjectOutput | ObjectOutput extends the DataOutput interface to include writing of objects.
  ObjectOutputStream | An ObjectOutputStream writes primitive data types and graphs of Java objects to an OutputStream.
  ObjectOutputStream.PutField | Provide programmatic access to the persistent fields to be written to ObjectOutput.
  ObjectReference | An object that currently exists in the target VM.
  Objects | This class consists of `static` utility methods for operating on objects, or checking certain conditions before operation.
  ObjectStreamClass | Serialization's descriptor for classes.
  ObjectStreamConstants | Constants written into the Object Serialization Stream.
  ObjectStreamException | Superclass of all exceptions specific to Object Stream classes.
  ObjectStreamField | A description of a Serializable field from a Serializable class.
  ObjectView | Component decorator that implements the view interface for <object> elements.
  ObjID | An `ObjID` is used to identify a remote object exported to an RMI runtime.
  ObjIntConsumer<T> | Represents an operation that accepts an object-valued and a `int`-valued argument, and returns no result.
  ObjLongConsumer<T> | Represents an operation that accepts an object-valued and a `long`-valued argument, and returns no result.
  Observable | Deprecated. This class and the `Observer` interface have been deprecated.
  Observer | Deprecated. This interface has been deprecated.
  OceanTheme | The default theme for the `MetalLookAndFeel`.
  OctetStreamData | A representation of a `Data` type containing an octet stream.
  OffsetDateTime | A date-time with an offset from UTC/Greenwich in the ISO-8601 calendar system, such as `2007-12-03T10:15:30+01:00`.
  OffsetTime | A time with an offset from UTC/Greenwich in the ISO-8601 calendar system, such as `10:15:30+01:00`.
  Oid | This class represents Universal Object Identifiers (Oids) and their associated operations.
  OpenDataException | This checked exception is thrown when an open type, an open data or an open MBean metadata info instance could not be constructed because one or more validity constraints were not met.
  OpenFilesEvent | Event sent when the app is asked to open a list of files.
  OpenFilesHandler | An implementor is notified when the application is asked to open a list of files.
  OpenMBeanAttributeInfo | Describes an attribute of an open MBean.
  OpenMBeanAttributeInfoSupport | Describes an attribute of an open MBean.
  OpenMBeanConstructorInfo | Describes a constructor of an Open MBean.
  OpenMBeanConstructorInfoSupport | Describes a constructor of an Open MBean.
  OpenMBeanInfo | Describes an Open MBean: an Open MBean is recognized as such if its `getMBeanInfo()` method returns an instance of a class which implements the `OpenMBeanInfo` interface, typically `OpenMBeanInfoSupport`.
  OpenMBeanInfoSupport | The `OpenMBeanInfoSupport` class describes the management information of an open MBean: it is a subclass of `MBeanInfo`, and it implements the `OpenMBeanInfo` interface.
  OpenMBeanOperationInfo | Describes an operation of an Open MBean.
  OpenMBeanOperationInfoSupport | Describes an operation of an Open MBean.
  OpenMBeanParameterInfo | Describes a parameter used in one or more operations or constructors of an open MBean.
  OpenMBeanParameterInfoSupport | Describes a parameter used in one or more operations or constructors of an open MBean.
  OpenOption | An object that configures how to open or create a file.
  OpensTree | A tree node for an 'opens' directive in a module declaration.
  OpenType | The `OpenType` interface represents OpenType and TrueType fonts.
  OpenType<T> | The `OpenType` class is the parent abstract class of all classes which describe the actual open type of open data values.
  OpenURIEvent | Event sent when the app is asked to open a `URI`.
  OpenURIHandler | An implementor is notified when the application is asked to open a URI.
  OperatingSystemMXBean | Platform-specific management interface for the operating system on which the Java virtual machine is running.
  OperatingSystemMXBean | The management interface for the operating system on which the Java virtual machine is running.
  Operation | Deprecated. no replacement
  Operation | An object that describes a dynamic operation.
  OperationNotSupportedException | This exception is thrown when a context implementation does not support the operation being invoked.
  OperationsException | Represents exceptions thrown in the MBean server when performing operations on MBeans.
  Option | Value for the ListModel used to represent <option> elements.
  Optional<T> | A container object which may or may not contain a non-`null` value.
  OptionalDataException | Exception indicating the failure of an object read operation due to unread primitive data, or the end of data belonging to a serialized object in the stream.
  OptionalDouble | A container object which may or may not contain a `double` value.
  OptionalInt | A container object which may or may not contain an `int` value.
  OptionalLong | A container object which may or may not contain a `long` value.
  OptionChecker | Interface for recognizing options.
  OptionPaneUI | Pluggable look and feel interface for JOptionPane.
  OrientationRequested | Class `OrientationRequested` is a printing attribute class, an enumeration, that indicates the desired orientation for printed print-stream pages; it does not describe the orientation of the client-supplied print-stream pages.
  OutOfMemoryError | Thrown when the Java Virtual Machine cannot allocate an object because it is out of memory, and no more memory could be made available by the garbage collector.
  OutputDeviceAssigned | Class `OutputDeviceAssigned` is a printing attribute class, a text attribute, that identifies the output device to which the service has assigned this job.
  OutputKeys | Provides string constants that can be used to set output properties for a Transformer, or to retrieve output properties from a Transformer or Templates object.
  OutputStream | This abstract class is the superclass of all classes representing an output stream of bytes.
  OutputStreamWriter | An OutputStreamWriter is a bridge from character streams to byte streams: Characters written to it are encoded into bytes using a specified `charset`.
  OverlappingFileLockException | Unchecked exception thrown when an attempt is made to acquire a lock on a region of a file that overlaps a region already locked by the same Java virtual machine, or when another thread is already waiting to lock an overlapping region of the same file.
  OverlayLayout | A layout manager to arrange components over the top of each other.
  Override | Indicates that a method declaration is intended to override a method declaration in a supertype.
  Owner | Deprecated, for removal: This API element is subject to removal in a future version. This class is deprecated and subject to removal in a future version of Java SE.
  Pack200 | Deprecated, for removal: This API element is subject to removal in a future version. This class is deprecated, and is planned for removal in a future release.
  Pack200.Packer | Deprecated, for removal: This API element is subject to removal in a future version. This interface is deprecated, and is planned for removal in a future release.
  Pack200.Unpacker | Deprecated, for removal: This API element is subject to removal in a future version. This interface is deprecated, and is planned for removal in a future release.
  Package | Represents metadata about a run-time package associated with a class loader.
  PackageDoc | Deprecated, for removal: This API element is subject to removal in a future version. The declarations in this package have been superseded by those in the package `jdk.javadoc.doclet`.
  PackageElement | Represents a package program element.
  PackageTree | Represents the package declaration.
  PackedColorModel | The `PackedColorModel` class is an abstract `ColorModel` class that works with pixel values which represent color and alpha information as separate samples and which pack all samples for a single pixel into a single int, short, or byte quantity.
  Pageable | The `Pageable` implementation represents a set of pages to be printed.
  PageAttributes | A set of attributes which control the output of a printed page.
  PageAttributes.ColorType | A type-safe enumeration of possible color states.
  PageAttributes.MediaType | A type-safe enumeration of possible paper sizes.
  PageAttributes.OrientationRequestedType | A type-safe enumeration of possible orientations.
  PageAttributes.OriginType | A type-safe enumeration of possible origins.
  PageAttributes.PrintQualityType | A type-safe enumeration of possible print qualities.
  PagedResultsControl | Requests that the results of a search operation be returned by the LDAP server in batches of a specified size.
  PagedResultsResponseControl | Indicates the end of a batch of search results.
  PageFormat | The `PageFormat` class describes the size and orientation of a page to be printed.
  PageRanges | Class `PageRanges` is a printing attribute class, a set of integers, that identifies the range(s) of print-stream pages that the Printer object uses for each copy of each document which are to be printed.
  PagesPerMinute | Class `PagesPerMinute` is an integer valued printing attribute that indicates the nominal number of pages per minute to the nearest whole number which may be generated by this printer (e.g., simplex, black-and-white).
  PagesPerMinuteColor | Class `PagesPerMinuteColor` is an integer valued printing attribute that indicates the nominal number of pages per minute to the nearest whole number which may be generated by this printer when printing color (e.g., simplex, color).
  Paint | This `Paint` interface defines how color patterns can be generated for `Graphics2D` operations.
  PaintContext | The `PaintContext` interface defines the encapsulated and optimized environment to generate color patterns in device space for fill or stroke operations on a `Graphics2D`.
  Painter<T> | A painting delegate.
  PaintEvent | The component-level paint event.
  Panel | `Panel` is the simplest container class.
  PanelUI | Pluggable look and feel interface for Panel.
  Paper | The `Paper` class describes the physical characteristics of a piece of paper.
  ParagraphView | Displays the a paragraph, and uses css attributes for its configuration.
  ParagraphView | View of a simple line-wrapping paragraph that supports multiple fonts, colors, components, icons, etc.
  Parameter | Deprecated, for removal: This API element is subject to removal in a future version. The declarations in this package have been superseded by those in the package `jdk.javadoc.doclet`.
  Parameter | Information about method parameters.
  ParameterBlock | A `ParameterBlock` encapsulates all the information about sources and parameters (Objects) required by a RenderableImageOp, or other classes that process images.
  ParameterDescriptor | The ParameterDescriptor class allows bean implementors to provide additional information on each of their parameters, beyond the low level type information provided by the java.lang.reflect.Method class.
  Parameterizable | A mixin interface for an element that has type parameters.
  ParameterizedType | Deprecated, for removal: This API element is subject to removal in a future version. The declarations in this package have been superseded by those in the package `jdk.javadoc.doclet`.
  ParameterizedType | ParameterizedType represents a parameterized type such as Collection<String>.
  ParameterizedTypeTree | A tree node for a type expression involving type parameters.
  ParameterMetaData | An object that can be used to get information about the types and properties for each parameter marker in a `PreparedStatement` object.
  ParamTag | Deprecated, for removal: This API element is subject to removal in a future version. The declarations in this package have been superseded by those in the package `jdk.javadoc.doclet`.
  ParamTree | A tree node for an @param block tag.
  ParenthesizedTree | A tree node for a parenthesized expression.
  ParenthesizedTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  ParseException | Signals that an error has been reached unexpectedly while parsing.
  ParsePosition | `ParsePosition` is a simple class used by `Format` and its subclasses to keep track of the current position during parsing.
  Parser | A simple DTD-driven HTML parser.
  Parser | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  Parser | Deprecated. This interface has been replaced by the SAX2 `XMLReader` interface, which includes Namespace support.
  ParserAdapter | Adapt a SAX1 Parser as a SAX2 XMLReader.
  ParserConfigurationException | Indicates a serious configuration error.
  ParserDelegator | Responsible for starting up a new DocumentParser each time its parse method is invoked.
  ParserFactory | Deprecated. This class works with the deprecated `Parser` interface.
  PartialResultException | This exception is thrown to indicate that the result being returned or returned so far is partial, and that the operation cannot be completed.
  PasswordAuthentication | The class PasswordAuthentication is a data holder that is used by Authenticator.
  PasswordCallback | Underlying security services instantiate and pass a `PasswordCallback` to the `handle` method of a `CallbackHandler` to retrieve password information.
  PasswordView | Implements a View suitable for use in JPasswordField UI implementations.
  Patch | A `Patch` object represents a location, on a MIDI synthesizer, into which a single instrument is stored (loaded).
  Path | An object that may be used to locate a file in a file system.
  Path2D | The `Path2D` class provides a simple, yet flexible shape which represents an arbitrary geometric path.
  Path2D.Double | The `Double` class defines a geometric path with coordinates stored in double precision floating point.
  Path2D.Float | The `Float` class defines a geometric path with coordinates stored in single precision floating point.
  PathIterator | The `PathIterator` interface provides the mechanism for objects that implement the `Shape` interface to return the geometry of their boundary by allowing a caller to retrieve the path of that boundary a segment at a time.
  PathMatcher | An interface that is implemented by objects that perform match operations on paths.
  Paths | This class consists exclusively of static methods that return a `Path` by converting a path string or `URI`.
  PathSearchingVirtualMachine | A virtual machine which searches for classes through paths
  Pattern | A compiled representation of a regular expression.
  PatternSyntaxException | Unchecked exception thrown to indicate a syntax error in a regular-expression pattern.
  PBEKey | The interface to a PBE key.
  PBEKeySpec | A user-chosen password that can be used with password-based encryption (PBE).
  PBEParameterSpec | This class specifies the set of parameters used with password-based encryption (PBE), as defined in the PKCS #5 standard.
  PDLOverrideSupported | Class `PDLOverrideSupported` is a printing attribute class, an enumeration, that expresses the printer's ability to attempt to override processing instructions embedded in documents' print data with processing instructions specified as attributes outside the print data.
  PeerAddressChangeNotification | Notification emitted when a destination address on a multi-homed peer encounters a change.
  PeerAddressChangeNotification.AddressChangeEvent | Defines the type of address change event that occurred to the destination address on a multi-homed peer when it encounters a change of interface details.
  Percentage | Event field annotation to use on fractions, typically between `0.0` and `1.0`, to specify that the value is a percentage.
  Period | A date-based amount of time in the ISO-8601 calendar system, such as '2 years, 3 months and 4 days'.
  Period | Event annotation, specifies the default setting value for a periodic event.
  Permission | Deprecated, for removal: This API element is subject to removal in a future version. This class is deprecated and subject to removal in a future version of Java SE.
  Permission | Abstract class for representing access to a system resource.
  PermissionCollection | Abstract class representing a collection of Permission objects.
  Permissions | This class represents a heterogeneous collection of Permissions.
  PersistenceDelegate | The PersistenceDelegate class takes the responsibility for expressing the state of an instance of a given class in terms of the methods in the class's public API.
  PersistentMBean | This class is the interface to be implemented by MBeans that are meant to be persistent.
  PersistentSnippet | Grouping for Snippets which persist and influence future code.
  PGPData | A representation of the XML `PGPData` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
  PhantomReference<T> | Phantom reference objects, which are enqueued after the collector determines that their referents may otherwise be reclaimed.
  Phaser | A reusable synchronization barrier, similar in functionality to `CyclicBarrier` and `CountDownLatch` but supporting more flexible usage.
  Pipe | A pair of channels that implements a unidirectional pipe.
  Pipe.SinkChannel | A channel representing the writable end of a `Pipe`.
  Pipe.SourceChannel | A channel representing the readable end of a `Pipe`.
  PipedInputStream | A piped input stream should be connected to a piped output stream; the piped input stream then provides whatever data bytes are written to the piped output stream.
  PipedOutputStream | A piped output stream can be connected to a piped input stream to create a communications pipe.
  PipedReader | Piped character-input streams.
  PipedWriter | Piped character-output streams.
  PixelGrabber | The PixelGrabber class implements an ImageConsumer which can be attached to an Image or ImageProducer object to retrieve a subset of the pixels in that image.
  PixelInterleavedSampleModel | This class represents image data which is stored in a pixel interleaved fashion and for which each sample of a pixel occupies one data element of the DataBuffer.
  PKCS12Attribute | An attribute associated with a PKCS12 keystore entry.
  PKCS8EncodedKeySpec | This class represents the ASN.1 encoding of a private key, encoded according to the ASN.1 type `PrivateKeyInfo`.
  PKIXBuilderParameters | Parameters used as input for the PKIX `CertPathBuilder` algorithm.
  PKIXCertPathBuilderResult | This class represents the successful result of the PKIX certification path builder algorithm.
  PKIXCertPathChecker | An abstract class that performs one or more checks on an `X509Certificate`.
  PKIXCertPathValidatorResult | This class represents the successful result of the PKIX certification path validation algorithm.
  PKIXParameters | Parameters used as input for the PKIX `CertPathValidator` algorithm.
  PKIXReason | The `PKIXReason` enumerates the potential PKIX-specific reasons that an X.509 certification path may be invalid according to the PKIX (RFC 5280) standard.
  PKIXRevocationChecker | A `PKIXCertPathChecker` for checking the revocation status of certificates with the PKIX algorithm.
  PKIXRevocationChecker.Option | Various revocation options that can be specified for the revocation checking mechanism.
  PlainDocument | A plain document that maintains no character attributes.
  PlainView | Implements View interface for a simple multi-line text view that has text in one font and color.
  PlatformLoggingMXBean | The management interface for the logging facility.
  PlatformManagedObject | A platform managed object is a JMX MXBean for monitoring and managing a component in the Java platform.
  Plugin | The interface for a javac plug-in.
  Point | A point representing a location in `(x,y)` coordinate space, specified in integer precision.
  Point2D | The `Point2D` class defines a point representing a location in `(x,y)` coordinate space.
  Point2D.Double | The `Double` class defines a point specified in `double` precision.
  Point2D.Float | The `Float` class defines a point specified in float precision.
  PointerInfo | A class that describes the pointer position.
  Policy | A Policy object is responsible for determining whether code executing in the Java runtime environment has permission to perform a security-sensitive operation.
  Policy.Parameters | This represents a marker interface for Policy parameters.
  PolicyNode | An immutable valid policy tree node as defined by the PKIX certification path validation algorithm.
  PolicyQualifierInfo | An immutable policy qualifier represented by the ASN.1 PolicyQualifierInfo structure.
  PolicySpi | This class defines the Service Provider Interface (SPI) for the `Policy` class.
  Polygon | The `Polygon` class encapsulates a description of a closed, two-dimensional region within a coordinate space.
  PooledConnection | An object that provides hooks for connection pool management.
  PooledConnectionBuilder | A builder created from a `ConnectionPoolDataSource` object, used to establish a connection to the database that the `data source` object represents.
  Popup | Popups are used to display a `Component` to the user, typically on top of all the other `Component`s in a particular containment hierarchy.
  PopupFactory | `PopupFactory`, as the name implies, is used to obtain instances of `Popup`s.
  PopupMenu | A class that implements a menu which can be dynamically popped up at a specified position within a component.
  PopupMenuEvent | PopupMenuEvent only contains the source of the event which is the JPopupMenu sending the event
  PopupMenuListener | A popup menu listener
  PopupMenuUI | Pluggable look and feel interface for JPopupMenu.
  Port | Ports are simple lines for input or output of audio to or from audio devices.
  Port.Info | The `Port.Info` class extends `Line.Info` with additional information specific to ports, including the port's name and whether it is a source or a target for its mixer.
  PortUnreachableException | Signals that an ICMP Port Unreachable message has been received on a connected datagram.
  Position | Represents a location within a document.
  Position.Bias | A typesafe enumeration to indicate bias to a position in the model.
  PosixFileAttributes | File attributes associated with files on file systems used by operating systems that implement the Portable Operating System Interface (POSIX) family of standards.
  PosixFileAttributeView | A file attribute view that provides a view of the file attributes commonly associated with files on file systems used by operating systems that implement the Portable Operating System Interface (POSIX) family of standards.
  PosixFilePermission | Defines the bits for use with the `permissions` attribute.
  PosixFilePermissions | This class consists exclusively of static methods that operate on sets of `PosixFilePermission` objects.
  Predicate<T> | Represents a predicate (boolean-valued function) of one argument.
  Predicate | The standard interface that provides the framework for all `FilteredRowSet` objects to describe their filters.
  PreferenceChangeEvent | An event emitted by a `Preferences` node to indicate that a preference has been added, removed or has had its value changed.
  PreferenceChangeListener | A listener for receiving preference change events.
  Preferences | A node in a hierarchical collection of preference data.
  PreferencesEvent | Event sent when the application is asked to open its preferences window.
  PreferencesFactory | A factory object that generates Preferences objects.
  PreferencesHandler | An implementor is notified when the app is asked to show its preferences UI.
  PreparedStatement | An object that represents a precompiled SQL statement.
  PresentationDirection | Class `PresentationDirection` is a printing attribute class, an enumeration, that is used in conjunction with the `NumberUp` attribute to indicate the layout of multiple print-stream pages to impose upon a single side of an instance of a selected medium.
  PrimitiveIterator<T,​T_CONS> | A base type for primitive specializations of `Iterator`.
  PrimitiveIterator.OfDouble | An Iterator specialized for `double` values.
  PrimitiveIterator.OfInt | An Iterator specialized for `int` values.
  PrimitiveIterator.OfLong | An Iterator specialized for `long` values.
  PrimitiveType | The type associated with non-object values in a target VM.
  PrimitiveType | Represents a primitive type.
  PrimitiveTypeTree | A tree node for a primitive type.
  PrimitiveValue | The value assigned to a field or variable of primitive type in a target VM.
  Principal | This interface represents the abstract notion of a principal, which can be used to represent any entity, such as an individual, a corporation, and a login id.
  PrincipalComparator | An object that implements the `java.security.Principal` interface typically also implements this interface to provide a means for comparing that object to a specified `Subject`.
  Printable | The `Printable` interface is implemented by the `print` methods of the current page painter, which is called by the printing system to render a page.
  PrinterAbortException | The `PrinterAbortException` class is a subclass of `PrinterException` and is used to indicate that a user or application has terminated the print job while it was in the process of printing.
  PrinterException | The `PrinterException` class and its subclasses are used to indicate that an exceptional condition has occurred in the print system.
  PrinterGraphics | The `PrinterGraphics` interface is implemented by `Graphics` objects that are passed to `Printable` objects to render a page.
  PrinterInfo | Class `PrinterInfo` is a printing attribute class, a text attribute, that provides descriptive information about a printer.
  PrinterIOException | The `PrinterIOException` class is a subclass of `PrinterException` and is used to indicate that an IO error of some sort has occurred while printing.
  PrinterIsAcceptingJobs | Class `PrinterIsAcceptingJobs` is a printing attribute class, an enumeration, that indicates whether the printer is currently able to accept jobs.
  PrinterJob | The `PrinterJob` class is the principal class that controls printing.
  PrinterLocation | Class `PrinterLocation` is a printing attribute class, a text attribute, that identifies the location of the device.
  PrinterMakeAndModel | Class `PrinterMakeAndModel` is a printing attribute class, a text attribute, that the make and model of the printer.
  PrinterMessageFromOperator | Class `PrinterMessageFromOperator` is a printing attribute class, a text attribute, that provides a message from an operator, system administrator, or "intelligent" process to indicate to the end user information about or status of the printer, such as why it is unavailable or when it is expected to be available.
  PrinterMoreInfo | Class `PrinterMoreInfo` is a printing attribute class, a `URI`, that is used to obtain more information about this specific printer.
  PrinterMoreInfoManufacturer | Class `PrinterMoreInfoManufacturer` is a printing attribute class, a `URI`, that is used to obtain more information about this type of device.
  PrinterName | Class `PrinterName` is a printing attribute class, a text attribute, that specifies the name of a printer.
  PrinterResolution | Class `PrinterResolution` is a printing attribute class that specifies an exact resolution supported by a printer or to be used for a print job.
  PrinterState | Class `PrinterState` is a printing attribute class, an enumeration, that identifies the current state of a printer.
  PrinterStateReason | Class `PrinterStateReason` is a printing attribute class, an enumeration, that provides additional information about the printer's current state, i.e., information that augments the value of the printer's `PrinterState` attribute.
  PrinterStateReasons | Class `PrinterStateReasons` is a printing attribute class, a set of enumeration values, that provides additional information about the printer's current state, i.e., information that augments the value of the printer's `PrinterState` attribute.
  PrinterURI | Class `PrinterURI` is a printing attribute class, a `URI`, that specifies the globally unique name of a printer.
  PrintEvent | Class `PrintEvent` is the super class of all Print Service API events.
  PrintException | Class `PrintException` encapsulates a printing-related error condition that occurred while using a Print Service instance.
  PrintFilesEvent | Event sent when the app is asked to print a list of files.
  PrintFilesHandler | An implementor can respond to requests to print documents that the app has been registered to handle.
  PrintGraphics | An abstract class which provides a print graphics context for a page.
  PrintJob | An abstract class which initiates and executes a print job.
  PrintJobAdapter | An abstract adapter class for receiving print job events.
  PrintJobAttribute | `PrintJobAttribute` is a tagging interface which a printing attribute class implements to indicate the attribute describes the status of a Print Job or some other characteristic of a Print Job.
  PrintJobAttributeEvent | Class `PrintJobAttributeEvent` encapsulates an event a `PrintService` reports to let the client know that one or more printing attributes for a `PrintJob` have changed.
  PrintJobAttributeListener | Implementations of this interface are attached to a `DocPrintJob` to monitor the status of attribute changes associated with the print job.
  PrintJobAttributeSet | Interface `PrintJobAttributeSet` specifies the interface for a set of print job attributes, i.e. printing attributes that implement interface `PrintJobAttribute`.
  PrintJobEvent | Class `PrintJobEvent` encapsulates common events a print job reports to let a listener know of progress in the processing of the `DocPrintJob`.
  PrintJobListener | Implementations of this listener interface should be attached to a `DocPrintJob` to monitor the status of the printer job.
  PrintQuality | Class `PrintQuality` is a printing attribute class, an enumeration, that specifies the print quality that the printer uses for the job.
  PrintRequestAttribute | Interface `PrintRequestAttribute` is a tagging interface which a printing attribute class implements to indicate the attribute denotes a requested setting for a print job.
  PrintRequestAttributeSet | Interface `PrintRequestAttributeSet` specifies the interface for a set of print request attributes, i.e. printing attributes that implement interface `PrintRequestAttribute`.
  PrintService | Interface `PrintService` is the factory for a `DocPrintJob`.
  PrintServiceAttribute | Interface `PrintServiceAttribute` is a tagging interface which a printing attribute class implements to indicate the attribute describes the status of a Print Service or some other characteristic of a Print Service.
  PrintServiceAttributeEvent | Class `PrintServiceAttributeEvent` encapsulates an event a Print Service instance reports to let the client know of changes in the print service state.
  PrintServiceAttributeListener | Implementations of this listener interface are attached to a `PrintService` to monitor the status of the print service.
  PrintServiceAttributeSet | Interface `PrintServiceAttributeSet` specifies the interface for a set of print job attributes, i.e. printing attributes that implement interface `PrintServiceAttribute`.
  PrintServiceLookup | Implementations of this class provide lookup services for print services (typically equivalent to printers) of a particular type.
  PrintStream | A `PrintStream` adds functionality to another output stream, namely the ability to print representations of various data values conveniently.
  PrintWriter | Prints formatted representations of objects to a text-output stream.
  PriorityBlockingQueue<E> | An unbounded blocking queue that uses the same ordering rules as class `PriorityQueue` and supplies blocking retrieval operations.
  PriorityQueue<E> | An unbounded priority queue based on a priority heap.
  PrivateClassLoader | Marker interface indicating that a ClassLoader should not be added to the `ClassLoaderRepository`.
  PrivateCredentialPermission | This class is used to protect access to private Credentials belonging to a particular `Subject`.
  PrivateKey | A private key.
  PrivateMLet | An MLet that is not added to the `ClassLoaderRepository`.
  PrivilegedAction<T> | A computation to be performed with privileges enabled.
  PrivilegedActionException | This exception is thrown by `doPrivileged(PrivilegedExceptionAction)` and `doPrivileged(PrivilegedExceptionAction, AccessControlContext context)` to indicate that the action being performed threw a checked exception.
  PrivilegedExceptionAction<T> | A computation to be performed with privileges enabled, that throws one or more checked exceptions.
  Process | `Process` provides control of native processes started by ProcessBuilder.start and Runtime.exec.
  ProcessBuilder | This class is used to create operating system processes.
  ProcessBuilder.Redirect | Represents a source of subprocess input or a destination of subprocess output.
  ProcessBuilder.Redirect.Type | The type of a `ProcessBuilder.Redirect`.
  ProcessHandle | ProcessHandle identifies and provides control of native processes.
  ProcessHandle.Info | Information snapshot about the process.
  ProcessingEnvironment | An annotation processing tool framework will provide an annotation processor with an object implementing this interface so the processor can use facilities provided by the framework to write new files, report error messages, and find other utilities.
  ProcessingInstruction | An interface that describes the data found in processing instructions
  ProcessingInstruction | The `ProcessingInstruction` interface represents a "processing instruction", used in XML as a way to keep processor-specific information in the text of the document.
  Processor | The interface for an annotation processor.
  ProfileDataException | This exception is thrown when an error occurs in accessing or processing an ICC_Profile object.
  ProgramElementDoc | Deprecated, for removal: This API element is subject to removal in a future version. The declarations in this package have been superseded by those in the package `jdk.javadoc.doclet`.
  ProgressBarUI | Pluggable look and feel interface for JProgressBar.
  ProgressMonitor | A class to monitor the progress of some operation.
  ProgressMonitorInputStream | Monitors the progress of reading from some InputStream.
  Properties | The `Properties` class represents a persistent set of properties.
  PropertyChangeEvent | A "PropertyChange" event gets delivered whenever a bean changes a "bound" or "constrained" property.
  PropertyChangeListener | A "PropertyChange" event gets fired whenever a bean changes a "bound" property.
  PropertyChangeListenerProxy | A class which extends the `EventListenerProxy` specifically for adding a `PropertyChangeListener` with a "bound" property.
  PropertyChangeSupport | This is a utility class that can be used by beans that support bound properties.
  PropertyDescriptor | A PropertyDescriptor describes one property that a Java Bean exports via a pair of accessor methods.
  PropertyEditor | A PropertyEditor class provides support for GUIs that want to allow users to edit a property value of a given type.
  PropertyEditorManager | The PropertyEditorManager can be used to locate a property editor for any given type name.
  PropertyEditorSupport | This is a support class to help build property editors.
  PropertyPermission | This class is for property permissions.
  PropertyResourceBundle | `PropertyResourceBundle` is a concrete subclass of `ResourceBundle` that manages resources for a locale using a set of static strings from a property file.
  PropertyTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  PropertyVetoException | A PropertyVetoException is thrown when a proposed change to a property represents an unacceptable value.
  ProtectionDomain | The ProtectionDomain class encapsulates the characteristics of a domain, which encloses a set of classes whose instances are granted a set of permissions when being executed on behalf of a given set of Principals.
  ProtocolException | Thrown to indicate that there is an error in the underlying protocol, such as a TCP error.
  ProtocolFamily | Represents a family of communication protocols.
  Provider | This class represents a "provider" for the Java Security API, where a provider implements some or all parts of Java Security.
  Provider.Service | The description of a security service.
  ProviderException | A runtime exception for Provider exceptions (such as misconfiguration errors or unrecoverable internal errors), which may be subclassed by Providers to throw specialized, provider-specific runtime errors.
  ProviderMismatchException | Unchecked exception thrown when an attempt is made to invoke a method on an object created by one file system provider with a parameter created by a different file system provider.
  ProviderNotFoundException | Runtime exception thrown when a provider of the required type cannot be found.
  ProvidesTree | A tree node for a @provides block tag.
  ProvidesTree | A tree node for a 'provides' directive in a module declaration.
  Proxy | `Proxy` provides static methods for creating objects that act like instances of interfaces but allow for customized method invocation.
  Proxy | This class represents a proxy setting, typically a type (http, socks) and a socket address.
  Proxy.Type | Represents the proxy type.
  ProxySelector | Selects the proxy server to use, if any, when connecting to the network resource referenced by a URL.
  PseudoColumnUsage | Enumeration for pseudo/hidden column usage.
  PSource | This class specifies the source for encoding input P in OAEP Padding, as defined in the PKCS#1 v2.2 standard.
  PSource.PSpecified | This class is used to explicitly specify the value for encoding input P in OAEP Padding.
  PSSParameterSpec | This class specifies a parameter spec for RSASSA-PSS signature scheme, as defined in the PKCS#1 v2.2 standard.
  PublicKey | A public key.
  PushbackInputStream | A `PushbackInputStream` adds functionality to another input stream, namely the ability to "push back" or "unread" bytes, by storing pushed-back bytes in an internal buffer.
  PushbackReader | A character-stream reader that allows characters to be pushed back into the stream.
  QName | `QName` represents a qualified name as defined in the XML specifications: XML Schema Part2: Datatypes specification, Namespaces in XML.
  QuadCurve2D | The `QuadCurve2D` class defines a quadratic parametric curve segment in `(x,y)` coordinate space.
  QuadCurve2D.Double | A quadratic parametric curve segment specified with `double` coordinates.
  QuadCurve2D.Float | A quadratic parametric curve segment specified with `float` coordinates.
  QualifiedNameable | A mixin interface for an element that has a qualified name.
  Query | Constructs query object constraints.
  QueryEval | Allows a query to be performed in the context of a specific MBean server.
  QueryExp | Represents relational constraints similar to database query "where clauses".
  Queue<E> | A collection designed for holding elements prior to processing.
  QueuedJobCount | Class `QueuedJobCount` is an integer valued printing attribute that indicates the number of jobs in the printer whose `JobState` is either `PENDING`, `PENDING_HELD`, `PROCESSING`, or `PROCESSING_STOPPED`.
  QuitEvent | Event sent when the application is asked to quit.
  QuitHandler | An implementor determines if requests to quit this application should proceed or cancel.
  QuitResponse | Used to respond to a request to quit the application.
  QuitStrategy | The strategy used to shut down the application, if Sudden Termination is not enabled.
  RadialGradientPaint | The `RadialGradientPaint` class provides a way to fill a shape with a circular radial color gradient pattern.
  Random | An instance of this class is used to generate a stream of pseudorandom numbers.
  RandomAccess | Marker interface used by `List` implementations to indicate that they support fast (generally constant time) random access.
  RandomAccessFile | Instances of this class support both reading and writing to a random access file.
  Range | See also the Document Object Model (DOM) Level 2 Traversal and Range Specification.
  RangeException | Range operations may throw a `RangeException` as specified in their method descriptions.
  Raster | A class representing a rectangular array of pixels.
  RasterFormatException | The `RasterFormatException` is thrown if there is invalid layout information in the `Raster`.
  RasterOp | This interface describes single-input/single-output operations performed on Raster objects.
  RC2ParameterSpec | This class specifies the parameters used with the RC2 algorithm.
  RC5ParameterSpec | This class specifies the parameters used with the RC5 algorithm.
  Rdn | This class represents a relative distinguished name, or RDN, which is a component of a distinguished name as specified by RFC 2253.
  Readable | A `Readable` is a source of characters.
  ReadableByteChannel | A channel that can read bytes.
  Reader | Abstract class for reading character streams.
  ReadOnlyBufferException | Unchecked exception thrown when a content-mutation method such as `put` or `compact` is invoked upon a read-only buffer.
  ReadOnlyFileSystemException | Unchecked exception thrown when an attempt is made to update an object associated with a `read-only` `FileSystem`.
  ReadPendingException | Unchecked exception thrown when an attempt is made to read from an asynchronous socket channel and a previous read has not completed.
  ReadWriteLock | A `ReadWriteLock` maintains a pair of associated `locks`, one for read-only operations and one for writing.
  RealmCallback | This callback is used by `SaslClient` and `SaslServer` to retrieve realm information.
  RealmChoiceCallback | This callback is used by `SaslClient` and `SaslServer` to obtain a realm given a list of realm choices.
  Receiver | A `Receiver` receives `MidiEvent` objects and typically does something useful in response, such as interpreting them to generate sound or raw MIDI output.
  RecordedClass | A recorded Java type, such as a class or an interface.
  RecordedClassLoader | A recorded Java class loader.
  RecordedEvent | A recorded event.
  RecordedFrame | A recorded frame in a stack trace.
  RecordedMethod | A recorded method.
  RecordedObject | A complex data type that consists of one or more fields.
  RecordedStackTrace | A recorded stack trace.
  RecordedThread | A recorded thread.
  RecordedThreadGroup | A recorded Java thread group.
  Recording | Provides means to configure, start, stop and dump recording data to disk.
  RecordingFile | A recording file.
  RecordingInfo | Management representation of a `Recording`.
  RecordingState | Indicates a state in the life cycle of a recording.
  Rect | The `Rect` interface is used to represent any rect value.
  Rectangle | A `Rectangle` specifies an area in a coordinate space that is enclosed by the `Rectangle` object's upper-left point `(x,y)` in the coordinate space, its width, and its height.
  Rectangle2D | The `Rectangle2D` class describes a rectangle defined by a location `(x,y)` and dimension `(w x h)`.
  Rectangle2D.Double | The `Double` class defines a rectangle specified in double coordinates.
  Rectangle2D.Float | The `Float` class defines a rectangle specified in float coordinates.
  RectangularShape | `RectangularShape` is the base class for a number of `Shape` objects whose geometry is defined by a rectangular frame.
  RecursiveAction | A recursive resultless `ForkJoinTask`.
  RecursiveTask<V> | A recursive result-bearing `ForkJoinTask`.
  ReentrantLock | A reentrant mutual exclusion `Lock` with the same basic behavior and semantics as the implicit monitor lock accessed using `synchronized` methods and statements, but with extended capabilities.
  ReentrantReadWriteLock | An implementation of `ReadWriteLock` supporting similar semantics to `ReentrantLock`.
  ReentrantReadWriteLock.ReadLock | The lock returned by method `ReadWriteLock.readLock()`.
  ReentrantReadWriteLock.WriteLock | The lock returned by method `ReadWriteLock.writeLock()`.
  Ref | The mapping in the Java programming language of an SQL `REF` value, which is a reference to an SQL structured type value in the database.
  RefAddr | This class represents the address of a communications end-point.
  Reference<T> | Abstract base class for reference objects.
  Reference | This class represents a reference to an object that is found outside of the naming/directory system.
  Reference | A representation of the `Reference` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
  Referenceable | This interface is implemented by an object that can provide a Reference to itself.
  ReferenceQueue<T> | Reference queues, to which registered reference objects are appended by the garbage collector after the appropriate reachability changes are detected.
  ReferenceTree | A tree node for a reference to a Java language element.
  ReferenceType | The type of an object in a target VM.
  ReferenceType | Represents a reference type.
  ReferenceUriSchemesSupported | Class `ReferenceUriSchemesSupported` is a printing attribute class an enumeration, that indicates a "URI scheme," such as "http:" or "ftp:", that a printer can use to retrieve print data stored at a `URI` location.
  ReferralException | This abstract class is used to represent a referral exception, which is generated in response to a referral such as that returned by LDAP v3 servers.
  ReflectionException | Represents exceptions thrown in the MBean server when using the java.lang.reflect classes to invoke methods on MBeans.
  ReflectiveOperationException | Common superclass of exceptions thrown by reflective operations in core reflection.
  ReflectPermission | The Permission class for reflective operations.
  Refreshable | Objects such as credentials may optionally implement this interface to provide the capability to refresh itself.
  RefreshFailedException | Signals that a `refresh` operation failed.
  RegExpLiteralTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  Region | A distinct rendering area of a Swing component.
  RegisterableService | An optional interface that may be provided by service provider objects that will be registered with a `ServiceRegistry`.
  Registered | Event annotation, for programmatic event registration.
  Registry | `Registry` is a remote interface to a simple remote object registry that provides methods for storing and retrieving remote object references bound with arbitrary string names.
  RegistryHandler | Deprecated. no replacement
  RejectedExecutionException | Exception thrown by an `Executor` when a task cannot be accepted for execution.
  RejectedExecutionHandler | A handler for tasks that cannot be executed by a `ThreadPoolExecutor`.
  Relation | This interface has to be implemented by any MBean class expected to represent a relation managed using the Relation Service.
  Relational | Meta annotation for relational annotations, to be used on an annotation.
  RelationException | This class is the superclass of any exception which can be raised during relation management.
  RelationNotFoundException | This exception is raised when there is no relation for a given relation id in a Relation Service.
  RelationNotification | A notification of a change in the Relation Service.
  RelationService | The Relation Service is in charge of creating and deleting relation types and relations, of handling the consistency and of providing query mechanisms.
  RelationServiceMBean | The Relation Service is in charge of creating and deleting relation types and relations, of handling the consistency and of providing query mechanisms.
  RelationServiceNotRegisteredException | This exception is raised when an access is done to the Relation Service and that one is not registered.
  RelationSupport | A RelationSupport object is used internally by the Relation Service to represent simple relations (only roles, no properties or methods), with an unlimited number of roles, of any relation type.
  RelationSupportMBean | A RelationSupport object is used internally by the Relation Service to represent simple relations (only roles, no properties or methods), with an unlimited number of roles, of any relation type.
  RelationType | The RelationType interface has to be implemented by any class expected to represent a relation type.
  RelationTypeNotFoundException | This exception is raised when there is no relation type with given name in Relation Service.
  RelationTypeSupport | A RelationTypeSupport object implements the RelationType interface.
  RelinkableCallSite | Interface for call sites managed by a `DynamicLinker`.
  Remote | The `Remote` interface serves to identify interfaces whose methods may be invoked from a non-local virtual machine.
  RemoteCall | Deprecated. no replacement.
  RemoteException | A `RemoteException` is the common superclass for a number of communication-related exceptions that may occur during the execution of a remote method call.
  RemoteExecutionControl | The remote agent runs in the execution process (separate from the main JShell process).
  RemoteObject | The `RemoteObject` class implements the `java.lang.Object` behavior for remote objects.
  RemoteObjectInvocationHandler | An implementation of the `InvocationHandler` interface for use with Java Remote Method Invocation (Java RMI).
  RemoteRef | `RemoteRef` represents the handle for a remote object.
  RemoteServer | The `RemoteServer` class is the common superclass to server implementations and provides the framework to support a wide range of remote reference semantics.
  RemoteStub | Deprecated. Statically generated stubs are deprecated, since stubs are generated dynamically.
  RenderableImage | A RenderableImage is a common interface for rendering-independent images (a notion which subsumes resolution independence).
  RenderableImageOp | This class handles the renderable aspects of an operation with help from its associated instance of a ContextualRenderedImageFactory.
  RenderableImageProducer | An adapter class that implements ImageProducer to allow the asynchronous production of a RenderableImage.
  RenderContext | A RenderContext encapsulates the information needed to produce a specific rendering from a RenderableImage.
  RenderedImage | RenderedImage is a common interface for objects which contain or can produce image data in the form of Rasters.
  RenderedImageFactory | The RenderedImageFactory interface (often abbreviated RIF) is intended to be implemented by classes that wish to act as factories to produce different renderings, for example by executing a series of BufferedImageOps on a set of sources, depending on a specific set of parameters, properties, and rendering hints.
  Renderer | Defines the requirements for an object responsible for "rendering" (displaying) a value.
  RenderingHints | The `RenderingHints` class defines and manages collections of keys and associated values which allow an application to provide input into the choice of algorithms used by other classes which perform rendering and image manipulation services.
  RenderingHints.Key | Defines the base type of all keys used along with the `RenderingHints` class to control various algorithm choices in the rendering and imaging pipelines.
  RepaintManager | This class manages repaint requests, allowing the number of repaints to be minimized, for example by collapsing multiple requests into a single repaint for members of a component tree.
  Repeatable | The annotation type `java.lang.annotation.Repeatable` is used to indicate that the annotation type whose declaration it (meta-)annotates is repeatable.
  ReplicateScaleFilter | An ImageFilter class for scaling images using the simplest algorithm.
  Reporter | This interface provides error, warning and notice reporting.
  RequestingUserName | Class `RequestingUserName` is a printing attribute class, a text attribute, that specifies the name of the end user that submitted the print job.
  RequiredModelMBean | This class is the implementation of a ModelMBean.
  RequiresTree | A tree node for a 'requires' directive in a module declaration.
  RescaleOp | This class performs a pixel-by-pixel rescaling of the data in the source image by multiplying the sample values for each pixel by a scale factor and then adding an offset.
  ResolutionException | Thrown when resolving a set of modules, or resolving a set of modules with service binding, fails.
  ResolutionSyntax | Class `ResolutionSyntax` is an abstract base class providing the common implementation of all attributes denoting a printer resolution.
  ResolvedModule | A module in a graph of resolved modules.
  Resolver | This interface represents an "intermediate context" for name resolution.
  ResolveResult | This class represents the result of resolution of a name.
  ResolverStyle | Enumeration of different ways to resolve dates and times.
  ResourceBundle | Resource bundles contain locale-specific objects.
  ResourceBundle.Control | `ResourceBundle.Control` defines a set of callback methods that are invoked by the `ResourceBundle.getBundle` factory methods during the bundle loading process.
  ResourceBundleControlProvider | An interface for service providers that provide implementations of `ResourceBundle.Control`.
  ResourceBundleProvider | `ResourceBundleProvider` is a service provider interface for resource bundles.
  ResponseAPDU | A response APDU as defined in ISO/IEC 7816-4.
  ResponseCache | Represents implementations of URLConnection caches.
  Result | An object that implements this interface contains the information needed to build a transformation result tree.
  ResultSet | A table of data representing a database result set, which is usually generated by executing a statement that queries the database.
  ResultSetMetaData | An object that can be used to get information about the types and properties of the columns in a `ResultSet` object.
  Retention | Indicates how long annotations with the annotated type are to be retained.
  RetentionPolicy | Annotation retention policy.
  RetrievalMethod | A representation of the XML `RetrievalMethod` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
  ReturnTree | A tree node for an @return block tag.
  ReturnTree | A tree node for a `return` statement.
  ReturnTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  ReverbType | The `ReverbType` class provides methods for accessing various reverberation settings to be applied to an audio signal.
  RGBColor | The `RGBColor` interface is used to represent any RGB color value.
  RGBImageFilter | This class provides an easy way to create an ImageFilter which modifies the pixels of an image in the default RGB ColorModel.
  RMIClassLoader | `RMIClassLoader` comprises static methods to support dynamic class loading with RMI.
  RMIClassLoaderSpi | `RMIClassLoaderSpi` is the service provider interface for `RMIClassLoader`.
  RMIClientSocketFactory | An `RMIClientSocketFactory` instance is used by the RMI runtime in order to obtain client sockets for RMI calls.
  RMIConnection | RMI object used to forward an MBeanServer request from a client to its MBeanServer implementation on the server side.
  RMIConnectionImpl | Implementation of the `RMIConnection` interface.
  RMIConnectionImpl_Stub |
  RMIConnector | A connection to a remote RMI connector.
  RMIConnectorServer | A JMX API connector server that creates RMI-based connections from remote clients.
  RMIFailureHandler | An `RMIFailureHandler` can be registered via the `RMISocketFactory.setFailureHandler` call.
  RMIIIOPServerImpl | Deprecated. This transport is no longer supported.
  RMIJRMPServerImpl | An `RMIServer` object that is exported through JRMP and that creates client connections as RMI objects exported through JRMP.
  RMISecurityException | Deprecated. Use `SecurityException` instead.
  RMISecurityManager | Deprecated. Use `SecurityManager` instead.
  RMIServer | RMI object used to establish connections to an RMI connector.
  RMIServerImpl | An RMI object representing a connector server.
  RMIServerImpl_Stub |
  RMIServerSocketFactory | An `RMIServerSocketFactory` instance is used by the RMI runtime in order to obtain server sockets for RMI calls.
  RMISocketFactory | An `RMISocketFactory` instance is used by the RMI runtime in order to obtain client and server sockets for RMI calls.
  Robot | This class is used to generate native system input events for the purposes of test automation, self-running demos, and other applications where control of the mouse and keyboard is needed.
  Role | Represents a role: includes a role name and referenced MBeans (via their ObjectNames).
  RoleInfo | A RoleInfo object summarises a role in a relation type.
  RoleInfoNotFoundException | This exception is raised when there is no role info with given name in a given relation type.
  RoleList | A RoleList represents a list of roles (Role objects).
  RoleNotFoundException | This exception is raised when a role in a relation does not exist, or is not readable, or is not settable.
  RoleResult | Represents the result of a multiple access to several roles of a relation (either for reading or writing).
  RoleStatus | This class describes the various problems which can be encountered when accessing a role.
  RoleUnresolved | Represents an unresolved role: a role not retrieved from a relation due to a problem.
  RoleUnresolvedList | A RoleUnresolvedList represents a list of RoleUnresolved objects, representing roles not retrieved from a relation due to a problem encountered when trying to access (read or write) the roles.
  RootDoc | Deprecated, for removal: This API element is subject to removal in a future version. The declarations in this package have been superseded by those in the package `jdk.javadoc.doclet`.
  RootPaneContainer | This interface is implemented by components that have a single JRootPane child: JDialog, JFrame, JWindow, JApplet, JInternalFrame.
  RootPaneUI | Pluggable look and feel interface for JRootPane.
  RoundEnvironment | An annotation processing tool framework will provide an annotation processor with an object implementing this interface so that the processor can query for information about a round of annotation processing.
  RoundingMode | Specifies a rounding behavior for numerical operations capable of discarding precision.
  RoundRectangle2D | The `RoundRectangle2D` class defines a rectangle with rounded corners defined by a location `(x,y)`, a dimension `(w x h)`, and the width and height of an arc with which to round the corners.
  RoundRectangle2D.Double | The `Double` class defines a rectangle with rounded corners all specified in `double` coordinates.
  RoundRectangle2D.Float | The `Float` class defines a rectangle with rounded corners all specified in `float` coordinates.
  RowFilter<M,​I> | `RowFilter` is used to filter out entries from the model so that they are not shown in the view.
  RowFilter.ComparisonType | Enumeration of the possible comparison values supported by some of the default `RowFilter`s.
  RowFilter.Entry<M,​I> | An `Entry` object is passed to instances of `RowFilter`, allowing the filter to get the value of the entry's data, and thus to determine whether the entry should be shown.
  RowId | The representation (mapping) in the Java programming language of an SQL ROWID value.
  RowIdLifetime | Enumeration for RowId life-time values.
  RowMapper | Defines the requirements for an object that translates paths in the tree into display rows.
  RowSet | The interface that adds support to the JDBC API for the JavaBeans™ component model.
  RowSetEvent | An `Event` object generated when an event occurs to a `RowSet` object.
  RowSetFactory | An interface that defines the implementation of a factory that is used to obtain different types of `RowSet` implementations.
  RowSetInternal | The interface that a `RowSet` object implements in order to present itself to a `RowSetReader` or `RowSetWriter` object.
  RowSetListener | An interface that must be implemented by a component that wants to be notified when a significant event happens in the life of a `RowSet` object.
  RowSetMetaData | An object that contains information about the columns in a `RowSet` object.
  RowSetMetaDataImpl | Provides implementations for the methods that set and get metadata information about a `RowSet` object's columns.
  RowSetProvider | A factory API that enables applications to obtain a `RowSetFactory` implementation that can be used to create different types of `RowSet` implementations.
  RowSetReader | The facility that a disconnected `RowSet` object calls on to populate itself with rows of data.
  RowSetWarning | An extension of `SQLException` that provides information about database warnings set on `RowSet` objects.
  RowSetWriter | An object that implements the `RowSetWriter` interface, called a writer.
  RowSorter<M> | `RowSorter` provides the basis for sorting and filtering.
  RowSorter.SortKey | SortKey describes the sort order for a particular column.
  RowSorterEvent | `RowSorterEvent` provides notification of changes to a `RowSorter`.
  RowSorterEvent.Type | Enumeration of the types of `RowSorterEvent`s.
  RowSorterListener | `RowSorterListener`s are notified of changes to a `RowSorter`.
  RSAKey | The interface to a public or private key in PKCS#1 v2.2 standard, such as those for RSA, or RSASSA-PSS algorithms.
  RSAKeyGenParameterSpec | This class specifies the set of parameters used to generate an RSA key pair.
  RSAMultiPrimePrivateCrtKey | The interface to an RSA multi-prime private key, as defined in the PKCS#1 v2.2 standard, using the Chinese Remainder Theorem (CRT) information values.
  RSAMultiPrimePrivateCrtKeySpec | This class specifies an RSA multi-prime private key, as defined in the PKCS#1 v2.2 standard using the Chinese Remainder Theorem (CRT) information values for efficiency.
  RSAOtherPrimeInfo | This class represents the triplet (prime, exponent, and coefficient) inside RSA's OtherPrimeInfo structure, as defined in the PKCS#1 v2.2 standard.
  RSAPrivateCrtKey | The interface to an RSA private key, as defined in the PKCS#1 v2.2 standard, using the Chinese Remainder Theorem (CRT) information values.
  RSAPrivateCrtKeySpec | This class specifies an RSA private key, as defined in the PKCS#1 v2.2 standard, using the Chinese Remainder Theorem (CRT) information values for efficiency.
  RSAPrivateKey | The interface to an RSA private key.
  RSAPrivateKeySpec | This class specifies an RSA private key.
  RSAPublicKey | The interface to an RSA public key.
  RSAPublicKeySpec | This class specifies an RSA public key.
  RTFEditorKit | This is the default implementation of RTF editing functionality.
  RuleBasedCollator | The `RuleBasedCollator` class is a concrete subclass of `Collator` that provides a simple, data-driven, table collator.
  Runnable | The `Runnable` interface should be implemented by any class whose instances are intended to be executed by a thread.
  RunnableFuture<V> | A `Future` that is `Runnable`.
  RunnableScheduledFuture<V> | A `ScheduledFuture` that is `Runnable`.
  Runtime | Every Java application has a single instance of class `Runtime` that allows the application to interface with the environment in which the application is running.
  Runtime.Version | A representation of a version string for an implementation of the Java SE Platform.
  RuntimeErrorException | When a `java.lang.Error` occurs in the agent it should be caught and re-thrown as a `RuntimeErrorException`.
  RuntimeException | `RuntimeException` is the superclass of those exceptions that can be thrown during the normal operation of the Java Virtual Machine.
  RuntimeMBeanException | Represents runtime exceptions thrown by MBean methods in the agent.
  RuntimeMXBean | The management interface for the runtime system of the Java virtual machine.
  RuntimeOperationsException | Represents runtime exceptions thrown in the agent when performing operations on MBeans.
  RuntimePermission | This class is for runtime permissions.
  SafeVarargs | A programmer assertion that the body of the annotated method or constructor does not perform potentially unsafe operations on its varargs parameter.
  SampleModel | This abstract class defines an interface for extracting samples of pixels in an image.
  Sasl | A static class for creating SASL clients and servers.
  SaslClient | Performs SASL authentication as a client.
  SaslClientFactory | An interface for creating instances of `SaslClient`.
  SaslException | This class represents an error that has occurred when using SASL.
  SaslServer | Performs SASL authentication as a server.
  SaslServerFactory | An interface for creating instances of `SaslServer`.
  Savepoint | The representation of a savepoint, which is a point within the current transaction that can be referenced from the `Connection.rollback` method.
  SAXException | Encapsulate a general SAX error or warning.
  SAXNotRecognizedException | Exception class for an unrecognized identifier.
  SAXNotSupportedException | Exception class for an unsupported operation.
  SAXParseException | Encapsulate an XML parse error or warning.
  SAXParser | Defines the API that wraps an `XMLReader` implementation class.
  SAXParserFactory | Defines a factory API that enables applications to configure and obtain a SAX based parser to parse XML documents.
  SAXResult | Acts as an holder for a transformation Result.
  SAXSource | Acts as an holder for SAX-style Source.
  SAXTransformerFactory | This class extends TransformerFactory to provide SAX-specific factory methods.
  Scanner | A simple text scanner which can parse primitive types and strings using regular expressions.
  ScatteringByteChannel | A channel that can read bytes into a sequence of buffers.
  ScheduledExecutorService | An `ExecutorService` that can schedule commands to run after a given delay, or to execute periodically.
  ScheduledFuture<V> | A delayed result-bearing action that can be cancelled.
  ScheduledThreadPoolExecutor | A `ThreadPoolExecutor` that can additionally schedule commands to run after a given delay, or to execute periodically.
  Schema | Immutable in-memory representation of grammar.
  SchemaFactory | Factory that creates `Schema` objects.
  SchemaFactoryConfigurationError | Thrown when a problem with configuration with the Schema Factories exists.
  SchemaFactoryLoader | Factory that creates `SchemaFactory`.
  SchemaViolationException | This exception is thrown when a method in some ways violates the schema.
  Scope | Interface for determining locally available program elements, such as local variables and imports.
  ScreenSleepEvent | Event sent when the displays attached to the system enter and exit power save sleep.
  ScreenSleepListener | Implementors receive notification when the displays attached to the system have entered power save sleep.
  ScriptContext | The interface whose implementing classes are used to connect Script Engines with objects, such as scoped Bindings, in hosting applications.
  ScriptEngine | `ScriptEngine` is the fundamental interface whose methods must be fully functional in every implementation of this specification.
  ScriptEngineFactory | `ScriptEngineFactory` is used to describe and instantiate `ScriptEngines`.
  ScriptEngineManager | The `ScriptEngineManager` implements a discovery and instantiation mechanism for `ScriptEngine` classes and also maintains a collection of key/value pairs storing state shared by all engines created by the Manager.
  ScriptException | The generic `Exception` class for the Scripting APIs.
  ScriptObjectMirror | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  ScriptUtils | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  Scrollable | An interface that provides information to a scrolling container like JScrollPane.
  Scrollbar | The `Scrollbar` class embodies a scroll bar, a familiar user-interface object.
  ScrollBarUI | Pluggable look and feel interface for JScrollBar.
  ScrollPane | A container class which implements automatic horizontal and/or vertical scrolling for a single child component.
  ScrollPaneAdjustable | This class represents the state of a horizontal or vertical scrollbar of a `ScrollPane`.
  ScrollPaneConstants | Constants used with the JScrollPane component.
  ScrollPaneLayout | The layout manager used by `JScrollPane`.
  ScrollPaneLayout.UIResource | The UI resource version of `ScrollPaneLayout`.
  ScrollPaneUI | Pluggable look and feel interface for JScrollPane.
  SctpChannel | A selectable channel for message-oriented connected SCTP sockets.
  SctpMultiChannel | A selectable channel for message-oriented SCTP sockets.
  SctpServerChannel | A selectable channel for message-oriented listening SCTP sockets.
  SctpSocketOption<T> | A socket option associated with an SCTP channel.
  SctpStandardSocketOptions | SCTP channels supports the socket options defined by this class (as well as those listed in the particular channel class) and may support additional Implementation specific socket options.
  SctpStandardSocketOptions.InitMaxStreams | This class is used to set the maximum number of inbound/outbound streams used by the local endpoint during association initialization.
  SealedObject | This class enables a programmer to create an object and protect its confidentiality with a cryptographic algorithm.
  SearchControls | This class encapsulates factors that determine scope of search and what gets returned as a result of the search.
  SearchResult | This class represents an item in the NamingEnumeration returned as a result of the DirContext.search() methods.
  SecondaryLoop | A helper interface to run the nested event loop.
  SecretKey | A secret (symmetric) key.
  SecretKeyFactory | This class represents a factory for secret keys.
  SecretKeyFactorySpi | This class defines the Service Provider Interface (SPI) for the `SecretKeyFactory` class.
  SecretKeySpec | This class specifies a secret key in a provider-independent fashion.
  SecureCacheResponse | Represents a cache response originally retrieved through secure means, such as TLS.
  SecureClassLoader | This class extends ClassLoader with additional support for defining classes with an associated code source and permissions which are retrieved by the system policy by default.
  SecureDirectoryStream<T> | A `DirectoryStream` that defines operations on files that are located relative to an open directory.
  SecureLookupSupplier | Provides security-checked access to a `MethodHandles.Lookup` object.
  SecureRandom | This class provides a cryptographically strong random number generator (RNG).
  SecureRandomParameters | A marker interface for parameters used in various `SecureRandom` methods.
  SecureRandomSpi | This class defines the Service Provider Interface (SPI) for the `SecureRandom` class.
  Security | This class centralizes all security properties and common security methods.
  SecurityException | Thrown by the security manager to indicate a security violation.
  SecurityManager | The security manager is a class that allows applications to implement a security policy.
  SecurityPermission | This class is for security permissions.
  SeekableByteChannel | A byte channel that maintains a current position and allows the position to be changed.
  SeeTag | Deprecated, for removal: This API element is subject to removal in a future version. The declarations in this package have been superseded by those in the package `jdk.javadoc.doclet`.
  SeeTree | A tree node for an @see block tag.
  Segment | A segment of a character array representing a fragment of text.
  SelectableChannel | A channel that can be multiplexed via a `Selector`.
  SelectionKey | A token representing the registration of a `SelectableChannel` with a `Selector`.
  Selector | A multiplexor of `SelectableChannel` objects.
  SelectorProvider | Service-provider class for selectors and selectable channels.
  Semaphore | A counting semaphore.
  SendFailedNotification | Notification emitted when a send failed notification has been received.
  SeparatorUI | Pluggable look and feel interface for JSeparator.
  Sequence | A `Sequence` is a data structure containing musical information (often an entire song or composition) that can be played back by a `Sequencer` object.
  SequenceInputStream | A `SequenceInputStream` represents the logical concatenation of other input streams.
  Sequencer | A hardware or software device that plays back a MIDI `sequence` is known as a sequencer.
  Sequencer.SyncMode | A `SyncMode` object represents one of the ways in which a MIDI sequencer's notion of time can be synchronized with a master or slave device.
  SerialArray | A serialized version of an `Array` object, which is the mapping in the Java programming language of an SQL `ARRAY` value.
  SerialBlob | A serialized mapping in the Java programming language of an SQL `BLOB` value.
  SerialClob | A serialized mapping in the Java programming language of an SQL `CLOB` value.
  SerialDatalink | A serialized mapping in the Java programming language of an SQL `DATALINK` value.
  SerialDataTree | A tree node for an @serialData block tag.
  SerialException | Indicates and an error with the serialization or de-serialization of SQL types such as `BLOB, CLOB, STRUCT or ARRAY` in addition to SQL types such as `DATALINK and JAVAOBJECT`
  SerialFieldTag | Deprecated, for removal: This API element is subject to removal in a future version. The declarations in this package have been superseded by those in the package `jdk.javadoc.doclet`.
  SerialFieldTree | A tree node for an @serialData block tag.
  Serializable | Serializability of a class is enabled by the class implementing the java.io.Serializable interface.
  SerializablePermission | This class is for Serializable permissions.
  SerializedLambda | Serialized form of a lambda expression.
  SerialJavaObject | A serializable mapping in the Java programming language of an SQL `JAVA_OBJECT` value.
  SerialRef | A serialized mapping of a `Ref` object, which is the mapping in the Java programming language of an SQL `REF` value.
  SerialStruct | A serialized mapping in the Java programming language of an SQL structured type.
  SerialTree | A tree node for an @serial block tag.
  ServerCloneException | A `ServerCloneException` is thrown if a remote exception occurs during the cloning of a `UnicastRemoteObject`.
  ServerError | A `ServerError` is thrown as a result of a remote method invocation when an `Error` is thrown while processing the invocation on the server, either while unmarshalling the arguments, executing the remote method itself, or marshalling the return value.
  ServerException | A `ServerException` is thrown as a result of a remote method invocation when a `RemoteException` is thrown while processing the invocation on the server, either while unmarshalling the arguments or executing the remote method itself.
  ServerNotActiveException | An `ServerNotActiveException` is an `Exception` thrown during a call to `RemoteServer.getClientHost` if the getClientHost method is called outside of servicing a remote method call.
  ServerRef | Deprecated. No replacement.
  ServerRuntimeException | Deprecated. no replacement
  ServerSocket | This class implements server sockets.
  ServerSocketChannel | A selectable channel for stream-oriented listening sockets.
  ServerSocketFactory | This class creates server sockets.
  ServiceConfigurationError | Error thrown when something goes wrong while locating, loading, or instantiating a service provider.
  ServiceLoader<S> | A facility to load implementations of a service.
  ServiceLoader.Provider<S> | Represents a service provider located by `ServiceLoader`.
  ServiceNotFoundException | Represents exceptions raised when a requested service is not supported.
  ServicePermission | This class is used to protect Kerberos services and the credentials necessary to access those services.
  ServiceRegistry | A registry for service provider instances for Image I/O service types.
  ServiceRegistry.Filter | A simple filter interface used by `ServiceRegistry.getServiceProviders` to select providers matching an arbitrary criterion.
  ServiceUI | This class is a collection of UI convenience methods which provide a graphical user dialog for browsing print services looked up through the Java Print Service API.
  ServiceUIFactory | Services may optionally provide UIs which allow different styles of interaction in different roles.
  ServiceUnavailableException | This exception is thrown when attempting to communicate with a directory or naming service and that service is not available.
  Set<E> | A collection that contains no duplicate elements.
  SetOfIntegerSyntax | Class `SetOfIntegerSyntax` is an abstract base class providing the common implementation of all attributes whose value is a set of nonnegative integers.
  SettingControl | Base class to extend to create setting controls.
  SettingDefinition | Annotation that specifies that a method in an event class should be used to filter out events.
  SettingDescriptor | Describes an event setting.
  SettingDescriptorInfo | Management class that describes a setting, for example name, description and default value.
  Severity | Class `Severity` is a printing attribute class, an enumeration, that denotes the severity of a `PrinterStateReason` attribute.
  Shape | The `Shape` interface provides definitions for objects that represent some form of geometric shape.
  ShapeGraphicAttribute | The `ShapeGraphicAttribute` class is an implementation of `GraphicAttribute` that draws shapes in a `TextLayout`.
  ShardingKey | Interface used to indicate that this object represents a Sharding Key.
  ShardingKeyBuilder | A builder created from a `DataSource` or `XADataSource` object, used to create a `ShardingKey` with sub-keys of supported data types.
  SheetCollate | Class `SheetCollate` is a printing attribute class, an enumeration, that specifies whether or not the media sheets of each copy of each printed document in a job are to be in sequence, when multiple copies of the document are specified by the `Copies` attribute.
  Short | The `Short` class wraps a value of primitive type `short` in an object.
  ShortBuffer | A short buffer.
  ShortBufferException | This exception is thrown when an output buffer provided by the user is too short to hold the operation result.
  ShortLookupTable | This class defines a lookup table object.
  ShortMessage | A `ShortMessage` contains a MIDI message that has at most two data bytes following its status byte.
  ShortType | The type of all primitive `short` values accessed in the target VM.
  ShortValue | Provides access to a primitive `short` value in the target VM.
  ShutdownChannelGroupException | Unchecked exception thrown when an attempt is made to construct a channel in a group that is shutdown or the completion handler for an I/O operation cannot be invoked because the channel group has terminated.
  ShutdownNotification | Notification emitted when a peers shutdowns an the association.
  Sides | Class `Sides` is a printing attribute class, an enumeration, that specifies how print-stream pages are to be imposed upon the sides of an instance of a selected medium, i.e., an impression.
  Signature | The Signature class is used to provide applications the functionality of a digital signature algorithm.
  SignatureException | This is the generic Signature exception.
  SignatureMethod | A representation of the XML `SignatureMethod` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
  SignatureMethodParameterSpec | A specification of algorithm parameters for an XML `SignatureMethod` algorithm.
  SignatureProperties | A representation of the XML `SignatureProperties` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
  SignatureProperty | A representation of the XML `SignatureProperty` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
  SignatureSpi | This class defines the Service Provider Interface (SPI) for the `Signature` class, which is used to provide the functionality of a digital signature algorithm.
  SignedInfo | An representation of the XML `SignedInfo` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
  SignedObject | SignedObject is a class for the purpose of creating authentic runtime objects whose integrity cannot be compromised without being detected.
  Signer | Deprecated, for removal: This API element is subject to removal in a future version. This class is deprecated and subject to removal in a future version of Java SE.
  SignStyle | Enumeration of ways to handle the positive/negative sign.
  SimpleAnnotationValueVisitor6<R,​P> | A simple visitor for annotation values with default behavior appropriate for the `RELEASE_6` source version.
  SimpleAnnotationValueVisitor7<R,​P> | A simple visitor for annotation values with default behavior appropriate for the `RELEASE_7` source version.
  SimpleAnnotationValueVisitor8<R,​P> | A simple visitor for annotation values with default behavior appropriate for the `RELEASE_8` source version.
  SimpleAnnotationValueVisitor9<R,​P> | A simple visitor for annotation values with default behavior appropriate for source versions `RELEASE_9` through `RELEASE_11`.
  SimpleAttributeSet | A straightforward implementation of MutableAttributeSet using a hash table.
  SimpleBeanInfo | This is a support class to make it easier for people to provide BeanInfo classes.
  SimpleBindings | A simple implementation of Bindings backed by a `HashMap` or some other specified `Map`.
  SimpleDateFormat | `SimpleDateFormat` is a concrete class for formatting and parsing dates in a locale-sensitive manner.
  SimpleDoc | This class is an implementation of interface `Doc` that can be used in many common printing requests.
  SimpleDocTreeVisitor<R,​P> | A simple visitor for tree nodes.
  SimpleElementVisitor6<R,​P> | A simple visitor of program elements with default behavior appropriate for the `RELEASE_6` source version.
  SimpleElementVisitor7<R,​P> | A simple visitor of program elements with default behavior appropriate for the `RELEASE_7` source version.
  SimpleElementVisitor8<R,​P> | A simple visitor of program elements with default behavior appropriate for the `RELEASE_8` source version.
  SimpleElementVisitor9<R,​P> | A simple visitor of program elements with default behavior appropriate for source versions `RELEASE_9` through `RELEASE_11`.
  SimpleFileVisitor<T> | A simple visitor of files with default behavior to visit all files and to re-throw I/O errors.
  SimpleFormatter | Print a brief summary of the `LogRecord` in a human readable format.
  SimpleJavaFileObject | Provides simple implementations for most methods in JavaFileObject.
  SimpleLinkRequest | Default simple implementation of `LinkRequest`.
  SimpleRelinkableCallSite | A relinkable call site that implements monomorphic inline caching strategy, only being linked to a single `GuardedInvocation` at any given time.
  SimpleScriptContext | Simple implementation of ScriptContext.
  SimpleTimeZone | `SimpleTimeZone` is a concrete subclass of `TimeZone` that represents a time zone for use with a Gregorian calendar.
  SimpleTreeVisitor<R,​P> | A simple visitor for tree nodes.
  SimpleTreeVisitorES5_1<R,​P> | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  SimpleTreeVisitorES6<R,​P> | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  SimpleType<T> | The `SimpleType` class is the open type class whose instances describe all open data values which are neither arrays, nor `CompositeData` values, nor `TabularData` values.
  SimpleTypeVisitor6<R,​P> | A simple visitor of types with default behavior appropriate for the `RELEASE_6` source version.
  SimpleTypeVisitor7<R,​P> | A simple visitor of types with default behavior appropriate for the `RELEASE_7` source version.
  SimpleTypeVisitor8<R,​P> | A simple visitor of types with default behavior appropriate for the `RELEASE_8` source version.
  SimpleTypeVisitor9<R,​P> | A simple visitor of types with default behavior appropriate for source versions `RELEASE_9` through `RELEASE_11`.
  SinceTree | A tree node for an @since block tag.
  SinglePixelPackedSampleModel | This class represents pixel data packed such that the N samples which make up a single pixel are stored in a single data array element, and each data data array element holds samples for only one pixel.
  SingleSelectionModel | A model that supports at most one indexed selection.
  Size2DSyntax | Class `Size2DSyntax` is an abstract base class providing the common implementation of all attributes denoting a size in two dimensions.
  SizeLimitExceededException | This exception is thrown when a method produces a result that exceeds a size-related limit.
  SizeRequirements | For the convenience of layout managers, calculates information about the size and position of components.
  SizeSequence | A `SizeSequence` object efficiently maintains an ordered list of sizes and corresponding positions.
  Skeleton | Deprecated. no replacement.
  SkeletonMismatchException | Deprecated. no replacement.
  SkeletonNotFoundException | Deprecated. no replacement.
  SliderUI | Pluggable look and feel interface for JSlider.
  SNIHostName | Instances of this class represent a server name of type `host_name` in a Server Name Indication (SNI) extension.
  SNIMatcher | Instances of this class represent a matcher that performs match operations on an `SNIServerName` instance.
  Snippet | A Snippet represents a snippet of Java source code as passed to `JShell.eval(java.lang.String)`.
  Snippet.Kind | Describes the general kind of snippet.
  Snippet.Status | Describes the current state of a Snippet.
  Snippet.SubKind | The detailed variety of a snippet.
  SnippetEvent | A description of a change to a Snippet.
  SNIServerName | Instances of this class represent a server name in a Server Name Indication (SNI) extension.
  Socket | This class implements client sockets (also called just "sockets").
  SocketAddress | This class represents a Socket Address with no protocol attachment.
  SocketChannel | A selectable channel for stream-oriented connecting sockets.
  SocketException | Thrown to indicate that there is an error creating or accessing a Socket.
  SocketFactory | This class creates sockets.
  SocketFlow | Represents the service level properties for the platform specific socket option `ExtendedSocketOptions.SO_FLOW_SLA`.
  SocketFlow.Status | Enumeration of the return values from the SO_FLOW_SLA socket option.
  SocketHandler | Simple network logging `Handler`.
  SocketImpl | The abstract class `SocketImpl` is a common superclass of all classes that actually implement sockets.
  SocketImplFactory | This interface defines a factory for socket implementations.
  SocketOption<T> | A socket option associated with a socket.
  SocketOptions | Interface of methods to get/set socket options.
  SocketPermission | This class represents access to a network via sockets.
  Sockets | Defines static methods to set and get socket options defined by the `SocketOption` interface.
  SocketSecurityException | Deprecated. This class is obsolete.
  SocketTimeoutException | Signals that a timeout has occurred on a socket read or accept.
  SoftBevelBorder | A class which implements a raised or lowered bevel with softened corners.
  SoftReference<T> | Soft reference objects, which are cleared at the discretion of the garbage collector in response to memory demand.
  SortControl | Requests that the results of a search operation be sorted by the LDAP server before being returned.
  SortedMap<K,​V> | A `Map` that further provides a total ordering on its keys.
  SortedSet<E> | A `Set` that further provides a total ordering on its elements.
  SortingFocusTraversalPolicy | A FocusTraversalPolicy that determines traversal order by sorting the Components of a focus traversal cycle based on a given Comparator.
  SortKey | A sort key and its associated sort parameters.
  SortOrder | SortOrder is an enumeration of the possible sort orderings.
  SortResponseControl | Indicates whether the requested sort of search results was successful or not.
  Soundbank | A `Soundbank` contains a set of `Instruments` that can be loaded into a `Synthesizer`.
  SoundbankReader | A `SoundbankReader` supplies soundbank file-reading services.
  SoundbankResource | A `SoundbankResource` represents any audio resource stored in a `Soundbank`.
  Source | An object that implements this interface contains the information needed to act as source input (XML source or transformation instructions).
  SourceCodeAnalysis | Provides analysis utilities for source code input.
  SourceCodeAnalysis.Completeness | Describes the completeness of the given input.
  SourceCodeAnalysis.CompletionInfo | The result of `analyzeCompletion(String input)`.
  SourceCodeAnalysis.Documentation | A documentation for a candidate for continuation of the given user's input.
  SourceCodeAnalysis.QualifiedNames | List of possible qualified names.
  SourceCodeAnalysis.SnippetWrapper | The wrapping of a snippet of Java source into valid top-level Java source.
  SourceCodeAnalysis.Suggestion | A candidate for continuation of the given user's input.
  SourceDataLine | A source data line is a data line to which data may be written.
  SourceLocator | This interface is primarily for the purposes of reporting where an error occurred in the XML source or transformation instructions.
  SourcePosition | Deprecated, for removal: This API element is subject to removal in a future version. The declarations in this package have been superseded by those in the package `jdk.javadoc.doclet`.
  SourcePositions | Provides methods to obtain the position of a Tree within a CompilationUnit.
  SourceVersion | Source versions of the Java™ programming language.
  SpinnerDateModel | A `SpinnerModel` for sequences of `Date`s.
  SpinnerListModel | A simple implementation of `SpinnerModel` whose values are defined by an array or a `List`.
  SpinnerModel | A model for a potentially unbounded sequence of object values.
  SpinnerNumberModel | A `SpinnerModel` for sequences of numbers.
  SpinnerUI | Pluggable look and feel interface for JSpinner
  SPIResolutionException | The construction and throw of this exception is embedded in code generated by the JShell core implementation in such a way that, upon executing a `RECOVERABLE_DEFINED` user method, this exception is thrown.
  SplashScreen | The splash screen can be displayed at application startup, before the Java Virtual Machine (JVM) starts.
  Spliterator<T> | An object for traversing and partitioning elements of a source.
  Spliterator.OfDouble | A Spliterator specialized for `double` values.
  Spliterator.OfInt | A Spliterator specialized for `int` values.
  Spliterator.OfLong | A Spliterator specialized for `long` values.
  Spliterator.OfPrimitive<T,​T_CONS,​T_SPLITR extends Spliterator.OfPrimitive<T,​T_CONS,​T_SPLITR>> | A Spliterator specialized for primitive values.
  Spliterators | Static classes and methods for operating on or creating instances of `Spliterator` and its primitive specializations `Spliterator.OfInt`, `Spliterator.OfLong`, and `Spliterator.OfDouble`.
  Spliterators.AbstractDoubleSpliterator | An abstract `Spliterator.OfDouble` that implements `trySplit` to permit limited parallelism.
  Spliterators.AbstractIntSpliterator | An abstract `Spliterator.OfInt` that implements `trySplit` to permit limited parallelism.
  Spliterators.AbstractLongSpliterator | An abstract `Spliterator.OfLong` that implements `trySplit` to permit limited parallelism.
  Spliterators.AbstractSpliterator<T> | An abstract `Spliterator` that implements `trySplit` to permit limited parallelism.
  SplitPaneUI | Pluggable look and feel interface for JSplitPane.
  SplittableRandom | A generator of uniform pseudorandom values applicable for use in (among other contexts) isolated parallel computations that may generate subtasks.
  SpreadTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  Spring | An instance of the `Spring` class holds three properties that characterize its behavior: the minimum, preferred, and maximum values.
  SpringLayout | A `SpringLayout` lays out the children of its associated container according to a set of constraints.
  SpringLayout.Constraints | A `Constraints` object holds the constraints that govern the way a component's size and position change in a container controlled by a `SpringLayout`.
  SQLClientInfoException | The subclass of `SQLException` is thrown when one or more client info properties could not be set on a `Connection`.
  SQLData | The interface used for the custom mapping of an SQL user-defined type (UDT) to a class in the Java programming language.
  SQLDataException | The subclass of `SQLException` thrown when the SQLState class value is '22', or under vendor-specified conditions.
  SQLException | An exception that provides information on a database access error or other errors.
  SQLFeatureNotSupportedException | The subclass of `SQLException` thrown when the SQLState class value is '0A' ( the value is 'zero' A).
  SQLInput | An input stream that contains a stream of values representing an instance of an SQL structured type or an SQL distinct type.
  SQLInputImpl | An input stream used for custom mapping user-defined types (UDTs).
  SQLIntegrityConstraintViolationException | The subclass of `SQLException` thrown when the SQLState class value is '23', or under vendor-specified conditions.
  SQLInvalidAuthorizationSpecException | The subclass of `SQLException` thrown when the SQLState class value is '28', or under vendor-specified conditions.
  SQLNonTransientConnectionException | The subclass of `SQLException` thrown for the SQLState class value '08', or under vendor-specified conditions.
  SQLNonTransientException | The subclass of `SQLException` thrown when an instance where a retry of the same operation would fail unless the cause of the `SQLException` is corrected.
  SQLOutput | The output stream for writing the attributes of a user-defined type back to the database.
  SQLOutputImpl | The output stream for writing the attributes of a custom-mapped user-defined type (UDT) back to the database.
  SQLPermission | The permission for which the `SecurityManager` will check when code that is running an application with a `SecurityManager` enabled, calls the `DriverManager.deregisterDriver` method, `DriverManager.setLogWriter` method, `DriverManager.setLogStream` (deprecated) method, `SyncFactory.setJNDIContext` method, `SyncFactory.setLogger` method, `Connection.setNetworkTimeout` method, or the `Connection.abort` method.
  SQLRecoverableException | The subclass of `SQLException` thrown in situations where a previously failed operation might be able to succeed if the application performs some recovery steps and retries the entire transaction or in the case of a distributed transaction, the transaction branch.
  SQLSyntaxErrorException | The subclass of `SQLException` thrown when the SQLState class value is '42', or under vendor-specified conditions.
  SQLTimeoutException | The subclass of `SQLException` thrown when the timeout specified by `Statement.setQueryTimeout`, `DriverManager.setLoginTimeout`, `DataSource.setLoginTimeout`,`XADataSource.setLoginTimeout` has expired.
  SQLTransactionRollbackException | The subclass of `SQLException` thrown when the SQLState class value is '40', or under vendor-specified conditions.
  SQLTransientConnectionException | The subclass of `SQLException` for the SQLState class value '08', or under vendor-specified conditions.
  SQLTransientException | The subclass of `SQLException` is thrown in situations where a previously failed operation might be able to succeed when the operation is retried without any intervention by application-level functionality.
  SQLType | An object that is used to identify a generic SQL type, called a JDBC type or a vendor specific data type.
  SQLWarning | An exception that provides information on database access warnings.
  SQLXML | The mapping in the JavaTM programming language for the SQL XML type.
  SSLContext | Instances of this class represent a secure socket protocol implementation which acts as a factory for secure socket factories or `SSLEngine`s.
  SSLContextSpi | This class defines the Service Provider Interface (SPI) for the `SSLContext` class.
  SSLEngine | A class which enables secure communications using protocols such as the Secure Sockets Layer (SSL) or IETF RFC 2246 "Transport Layer Security" (TLS) protocols, but is transport independent.
  SSLEngineResult | An encapsulation of the result state produced by `SSLEngine` I/O calls.
  SSLEngineResult.HandshakeStatus | An `SSLEngineResult` enum describing the current handshaking state of this `SSLEngine`.
  SSLEngineResult.Status | An `SSLEngineResult` enum describing the overall result of the `SSLEngine` operation.
  SSLException | Indicates some kind of error detected by an SSL subsystem.
  SSLHandshakeException | Indicates that the client and server could not negotiate the desired level of security.
  SSLKeyException | Reports a bad SSL key.
  SSLParameters | Encapsulates parameters for an SSL/TLS/DTLS connection.
  SSLPeerUnverifiedException | Indicates that the peer's identity has not been verified.
  SSLPermission | This class is for various network permissions.
  SSLProtocolException | Reports an error in the operation of the SSL protocol.
  SslRMIClientSocketFactory | An `SslRMIClientSocketFactory` instance is used by the RMI runtime in order to obtain client sockets for RMI calls via SSL.
  SslRMIServerSocketFactory | An `SslRMIServerSocketFactory` instance is used by the RMI runtime in order to obtain server sockets for RMI calls via SSL.
  SSLServerSocket | This class extends `ServerSocket` and provides secure server sockets using protocols such as the Secure Sockets Layer (SSL) or Transport Layer Security (TLS) protocols.
  SSLServerSocketFactory | `SSLServerSocketFactory`s create `SSLServerSocket`s.
  SSLSession | In SSL, sessions are used to describe an ongoing relationship between two entities.
  SSLSessionBindingEvent | This event is propagated to a SSLSessionBindingListener.
  SSLSessionBindingListener | This interface is implemented by objects which want to know when they are being bound or unbound from a SSLSession.
  SSLSessionContext | A `SSLSessionContext` represents a set of `SSLSession`s associated with a single entity.
  SSLSocket | This class extends `Socket` and provides secure sockets using protocols such as the "Secure Sockets Layer" (SSL) or IETF "Transport Layer Security" (TLS) protocols.
  SSLSocketFactory | `SSLSocketFactory`s create `SSLSocket`s.
  Stack<E> | The `Stack` class represents a last-in-first-out (LIFO) stack of objects.
  StackFrame | The state of one method invocation on a thread's call stack.
  StackOverflowError | Thrown when a stack overflow occurs because an application recurses too deeply.
  StackTrace | Event annotation, determines whether an event by default has a stack trace or not.
  StackTraceElement | An element in a stack trace, as returned by `Throwable.getStackTrace()`.
  StackWalker | A stack walker.
  StackWalker.Option | Stack walker option to configure the stack frame information obtained by a `StackWalker`.
  StackWalker.StackFrame | A `StackFrame` object represents a method invocation returned by `StackWalker`.
  StampedLock | A capability-based lock with three modes for controlling read/write access.
  StandardCharsets | Constant definitions for the standard `Charsets`.
  StandardConstants | Standard constants definitions
  StandardCopyOption | Defines the standard copy options.
  StandardDoclet | This doclet generates HTML-formatted documentation for the specified modules, packages and types.
  StandardEmitterMBean | An MBean whose management interface is determined by reflection on a Java interface, and that emits notifications.
  StandardJavaFileManager | File manager based on java.io.File and java.nio.file.Path.
  StandardJavaFileManager.PathFactory | Factory to create `Path` objects from strings.
  StandardLocation | Standard locations of file objects.
  StandardMBean | An MBean whose management interface is determined by reflection on a Java interface.
  StandardNamespace | An enumeration of standard namespaces defined by Dynalink.
  StandardOpenOption | Defines the standard open options.
  StandardOperation | Defines the standard dynamic operations.
  StandardProtocolFamily | Defines the standard families of communication protocols.
  StandardSocketOptions | Defines the standard socket options.
  StandardWatchEventKinds | Defines the standard event kinds.
  StartDocument | An interface for the start document event
  StartElement | The StartElement interface provides access to information about start elements.
  StartElementTree | A tree node for the start of an HTML element.
  StartTlsRequest | This class implements the LDAPv3 Extended Request for StartTLS as defined in Lightweight Directory Access Protocol (v3): Extension for Transport Layer Security The object identifier for StartTLS is 1.3.6.1.4.1.1466.20037 and no extended request value is defined.
  StartTlsResponse | This class implements the LDAPv3 Extended Response for StartTLS as defined in Lightweight Directory Access Protocol (v3): Extension for Transport Layer Security The object identifier for StartTLS is 1.3.6.1.4.1.1466.20037 and no extended response value is defined.
  State<T extends JComponent> | Represents a built in, or custom, state in Nimbus.
  StateEdit | StateEdit is a general edit for objects that change state.
  StateEditable | StateEditable defines the interface for objects that can have their state undone/redone by a StateEdit.
  StateFactory | This interface represents a factory for obtaining the state of an object for binding.
  Statement | A `Statement` object represents a primitive statement in which a single method is applied to a target and a set of arguments - as in `"a.setFoo(b)"`.
  Statement | The object used for executing a static SQL statement and returning the results it produces.
  StatementEvent | A `StatementEvent` is sent to all `StatementEventListener`s which were registered with a `PooledConnection`.
  StatementEventListener | An object that registers to be notified of events that occur on PreparedStatements that are in the Statement pool.
  StatementSnippet | Snippet for a statement.
  StatementTree | A tree node used as the base class for the different kinds of statements.
  StatementTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  StaticClass | Object that allows access to the static members of a class (its static methods, properties, and fields), as well as construction of instances using `StandardOperation.NEW` operation.
  StAXResult | Acts as a holder for an XML `Result` in the form of a StAX writer,i.e.
  StAXSource | Acts as a holder for an XML `Source` in the form of a StAX reader,i.e.
  StepEvent | Notification of step completion in the target VM.
  StepRequest | Request for notification when a step occurs in the target VM.
  Stream<T> | A sequence of elements supporting sequential and parallel aggregate operations.
  Stream.Builder<T> | A mutable builder for a `Stream`.
  StreamCorruptedException | Thrown when control information that was read from an object stream violates internal consistency checks.
  StreamFilter | This interface declares a simple filter interface that one can create to filter XMLStreamReaders
  StreamHandler | Stream based logging `Handler`.
  StreamingExecutionControl | An implementation of the `ExecutionControl` execution engine SPI which streams requests to a remote agent where execution takes place.
  StreamPrintService | This class extends `PrintService` and represents a print service that prints data in different formats to a client-provided output stream.
  StreamPrintServiceFactory | A `StreamPrintServiceFactory` is the factory for `StreamPrintService` instances, which can print to an output stream in a particular document format described as a mime type.
  StreamReaderDelegate | This is the base class for deriving an XMLStreamReader filter This class is designed to sit between an XMLStreamReader and an application's XMLStreamReader.
  StreamResult | Acts as an holder for a transformation result, which may be XML, plain Text, HTML, or some other form of markup.
  StreamSource | Acts as an holder for a transformation Source in the form of a stream of XML markup.
  StreamSupport | Low-level utility methods for creating and manipulating streams.
  StreamTokenizer | The `StreamTokenizer` class takes an input stream and parses it into "tokens", allowing the tokens to be read one at a time.
  StrictMath | The class `StrictMath` contains methods for performing basic numeric operations such as the elementary exponential, logarithm, square root, and trigonometric functions.
  String | The `String` class represents character strings.
  StringBuffer | A thread-safe, mutable sequence of characters.
  StringBufferInputStream | Deprecated. This class does not properly convert characters into bytes.
  StringBuilder | A mutable sequence of characters.
  StringCharacterIterator | `StringCharacterIterator` implements the `CharacterIterator` protocol for a `String`.
  StringConcatException | StringConcatException is thrown by `StringConcatFactory` when linkage invariants are violated.
  StringConcatFactory | Methods to facilitate the creation of String concatenation methods, that can be used to efficiently concatenate a known number of arguments of known types, possibly after type adaptation and partial evaluation of arguments.
  StringContent | An implementation of the AbstractDocument.Content interface that is a brute force implementation that is useful for relatively small documents and/or debugging.
  StringIndexOutOfBoundsException | Thrown by `String` methods to indicate that an index is either negative or greater than the size of the string.
  StringJoiner | `StringJoiner` is used to construct a sequence of characters separated by a delimiter and optionally starting with a supplied prefix and ending with a supplied suffix.
  StringMonitor | Defines a monitor MBean designed to observe the values of a string attribute.
  StringMonitorMBean | Exposes the remote management interface of the string monitor MBean.
  StringReader | A character stream whose source is a string.
  StringRefAddr | This class represents the string form of the address of a communications end-point.
  StringReference | A string object from the target VM.
  StringSelection | A `Transferable` which implements the capability required to transfer a `String`.
  StringTokenizer | The string tokenizer class allows an application to break a string into tokens.
  StringValueExp | Represents strings that are arguments to relational constraints.
  StringWriter | A character stream that collects its output in a string buffer, which can then be used to construct a string.
  Stroke | The `Stroke` interface allows a `Graphics2D` object to obtain a `Shape` that is the decorated outline, or stylistic representation of the outline, of the specified `Shape`.
  StrokeBorder | A class which implements a border of an arbitrary stroke.
  Struct | The standard mapping in the Java programming language for an SQL structured type.
  StubNotFoundException | A `StubNotFoundException` is thrown if a valid stub class could not be found for a remote object when it is exported.
  Style | A collection of attributes to associate with an element in a document.
  StyleConstants | A collection of well known or common attribute keys and methods to apply to an AttributeSet or MutableAttributeSet to get/set the properties in a typesafe manner.
  StyleConstants.CharacterConstants | This is a typesafe enumeration of the well-known attributes that contribute to a character style.
  StyleConstants.ColorConstants | This is a typesafe enumeration of the well-known attributes that contribute to a color.
  StyleConstants.FontConstants | This is a typesafe enumeration of the well-known attributes that contribute to a font.
  StyleConstants.ParagraphConstants | This is a typesafe enumeration of the well-known attributes that contribute to a paragraph style.
  StyleContext | A pool of styles and their associated resources.
  StyledDocument | Interface for a generic styled document.
  StyledEditorKit | This is the set of things needed by a text component to be a reasonably functioning editor for some type of text document.
  StyledEditorKit.AlignmentAction | An action to set paragraph alignment.
  StyledEditorKit.BoldAction | An action to toggle the bold attribute.
  StyledEditorKit.FontFamilyAction | An action to set the font family in the associated JEditorPane.
  StyledEditorKit.FontSizeAction | An action to set the font size in the associated JEditorPane.
  StyledEditorKit.ForegroundAction | An action to set foreground color.
  StyledEditorKit.ItalicAction | An action to toggle the italic attribute.
  StyledEditorKit.StyledTextAction | An action that assumes it's being fired on a JEditorPane with a StyledEditorKit (or subclass) installed.
  StyledEditorKit.UnderlineAction | An action to toggle the underline attribute.
  StyleSheet | Support for defining the visual characteristics of HTML views being rendered.
  StyleSheet | The `StyleSheet` interface is the abstract base interface for any type of style sheet.
  StyleSheet.BoxPainter | Class to carry out some of the duties of CSS formatting.
  StyleSheet.ListPainter | Class to carry out some of the duties of CSS list formatting.
  StyleSheetList | The `StyleSheetList` interface provides the abstraction of an ordered collection of style sheets.
  Subject | A `Subject` represents a grouping of related information for a single entity, such as a person.
  SubjectDelegationPermission | Permission required by an authentication identity to perform operations on behalf of an authorization identity.
  SubjectDomainCombiner | A `SubjectDomainCombiner` updates ProtectionDomains with Principals from the `Subject` associated with this `SubjectDomainCombiner`.
  SubmissionPublisher<T> | A `Flow.Publisher` that asynchronously issues submitted (non-null) items to current subscribers until it is closed.
  SummaryTree | A tree node for an @summary inline tag.
  Supplier<T> | Represents a supplier of results.
  SupportedAnnotationTypes | An annotation used to indicate what annotation types an annotation processor supports.
  SupportedOptions | An annotation used to indicate what options an annotation processor supports.
  SupportedSourceVersion | An annotation used to indicate the latest source version an annotation processor supports.
  SupportedValuesAttribute | Interface `SupportedValuesAttribute` is a tagging interface which a printing attribute class implements to indicate the attribute describes the supported values for another attribute.
  SuppressWarnings | Indicates that the named compiler warnings should be suppressed in the annotated element (and in all program elements contained in the annotated element).
  SwingConstants | A collection of constants generally used for positioning and orienting components on the screen.
  SwingContainer | An annotation used to specify some swing-related information for the automatically generated `BeanInfo` classes.
  SwingEventMonitor | `SwingEventMonitor` extends `AWTEventMonitor` by adding a suite of listeners conditionally installed on every Swing component instance in the Java Virtual Machine.
  SwingPropertyChangeSupport | This subclass of `java.beans.PropertyChangeSupport` is almost identical in functionality.
  SwingUtilities | A collection of utility methods for Swing.
  SwingWorker<T,​V> | An abstract class to perform lengthy GUI-interaction tasks in a background thread.
  SwingWorker.StateValue | Values for the `state` bound property.
  SwitchPoint | A `SwitchPoint` is an object which can publish state transitions to other threads.
  SwitchTree | A tree node for a `switch` statement.
  SwitchTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  SyncFactory | The Service Provider Interface (SPI) mechanism that generates `SyncProvider` instances to be used by disconnected `RowSet` objects.
  SyncFactoryException | Indicates an error with `SyncFactory` mechanism.
  SyncFailedException | Signals that a sync operation has failed.
  SynchronizedTree | A tree node for a `synchronized` statement.
  SynchronousQueue<E> | A blocking queue in which each insert operation must wait for a corresponding remove operation by another thread, and vice versa.
  SyncProvider | The synchronization mechanism that provides reader/writer capabilities for disconnected `RowSet` objects.
  SyncProviderException | Indicates an error with the `SyncProvider` mechanism.
  SyncResolver | Defines a framework that allows applications to use a manual decision tree to decide what should be done when a synchronization conflict occurs.
  SynthButtonUI | Provides the Synth L&F UI delegate for `JButton`.
  SynthCheckBoxMenuItemUI | Provides the Synth L&F UI delegate for `JCheckBoxMenuItem`.
  SynthCheckBoxUI | Provides the Synth L&F UI delegate for `JCheckBox`.
  SynthColorChooserUI | Provides the Synth L&F UI delegate for `JColorChooser`.
  SynthComboBoxUI | Provides the Synth L&F UI delegate for `JComboBox`.
  SynthConstants | Constants used by Synth.
  SynthContext | An immutable transient object containing contextual information about a `Region`.
  SynthDesktopIconUI | Provides the Synth L&F UI delegate for a minimized internal frame on a desktop.
  SynthDesktopPaneUI | Provides the Synth L&F UI delegate for `JDesktopPane`.
  SynthEditorPaneUI | Provides the Synth L&F UI delegate for `JEditorPane`.
  Synthesizer | A `Synthesizer` generates sound.
  SynthFormattedTextFieldUI | Provides the Synth L&F UI delegate for `JFormattedTextField`.
  SynthGraphicsUtils | Wrapper for primitive graphics calls.
  SynthIcon | An icon that is passed a `SynthContext`.
  SynthInternalFrameUI | Provides the Synth L&F UI delegate for `JInternalFrame`.
  SynthLabelUI | Provides the Synth L&F UI delegate for `JLabel`.
  SynthListUI | Provides the Synth L&F UI delegate for `JList`.
  SynthLookAndFeel | SynthLookAndFeel provides the basis for creating a customized look and feel.
  SynthMenuBarUI | Provides the Synth L&F UI delegate for `JMenuBar`.
  SynthMenuItemUI | Provides the Synth L&F UI delegate for `JMenuItem`.
  SynthMenuUI | Provides the Synth L&F UI delegate for `JMenu`.
  SynthOptionPaneUI | Provides the Synth L&F UI delegate for `JOptionPane`.
  SynthPainter | `SynthPainter` is used for painting portions of `JComponent`s.
  SynthPanelUI | Provides the Synth L&F UI delegate for `JPanel`.
  SynthPasswordFieldUI | Provides the Synth L&F UI delegate for `JPasswordField`.
  SynthPopupMenuUI | Provides the Synth L&F UI delegate for `JPopupMenu`.
  SynthProgressBarUI | Provides the Synth L&F UI delegate for `JProgressBar`.
  SynthRadioButtonMenuItemUI | Provides the Synth L&F UI delegate for `JRadioButtonMenuItem`.
  SynthRadioButtonUI | Provides the Synth L&F UI delegate for `JRadioButton`.
  SynthRootPaneUI | Provides the Synth L&F UI delegate for `JRootPane`.
  SynthScrollBarUI | Provides the Synth L&F UI delegate for `JScrollBar`.
  SynthScrollPaneUI | Provides the Synth L&F UI delegate for `JScrollPane`.
  SynthSeparatorUI | Provides the Synth L&F UI delegate for `JSeparator`.
  SynthSliderUI | Provides the Synth L&F UI delegate for `JSlider`.
  SynthSpinnerUI | Provides the Synth L&F UI delegate for `JSpinner`.
  SynthSplitPaneUI | Provides the Synth L&F UI delegate for `JSplitPane`.
  SynthStyle | `SynthStyle` is a set of style properties.
  SynthStyleFactory | Factory used for obtaining `SynthStyle`s.
  SynthTabbedPaneUI | Provides the Synth L&F UI delegate for `JTabbedPane`.
  SynthTableHeaderUI | Provides the Synth L&F UI delegate for `JTableHeader`.
  SynthTableUI | Provides the Synth L&F UI delegate for `JTable`.
  SynthTextAreaUI | Provides the look and feel for a plain text editor in the Synth look and feel.
  SynthTextFieldUI | Provides the Synth L&F UI delegate for `JTextField`.
  SynthTextPaneUI | Provides the look and feel for a styled text editor in the Synth look and feel.
  SynthToggleButtonUI | Provides the Synth L&F UI delegate for `JToggleButton`.
  SynthToolBarUI | Provides the Synth L&F UI delegate for `JToolBar`.
  SynthToolTipUI | Provides the Synth L&F UI delegate for `JToolTip`.
  SynthTreeUI | Provides the Synth L&F UI delegate for `JTree`.
  SynthUI | SynthUI is used to fetch the SynthContext for a particular Component.
  SynthViewportUI | Provides the Synth L&F UI delegate for `JViewport`.
  SysexMessage | A `SysexMessage` object represents a MIDI system exclusive message.
  System | The `System` class contains several useful class fields and methods.
  System.Logger | `System.Logger` instances log messages that will be routed to the underlying logging framework the `LoggerFinder` uses.
  System.Logger.Level | System loggers levels.
  System.LoggerFinder | The `LoggerFinder` service is responsible for creating, managing, and configuring loggers to the underlying framework it uses.
  SystemColor | A class to encapsulate symbolic colors representing the color of native GUI objects on a system.
  SystemEventListener | Common interface for all event listener sub-types.
  SystemFlavorMap | The SystemFlavorMap is a configurable map between "natives" (Strings), which correspond to platform-specific data formats, and "flavors" (DataFlavors), which correspond to platform-independent MIME types.
  SystemSleepEvent | Event sent when the system enters and exits power save sleep.
  SystemSleepListener | Implementors receive notification as the system is entering sleep, and after the system wakes.
  SystemTray | The `SystemTray` class represents the system tray for a desktop.
  TabableView | Interface for `View`s that have size dependent upon tabs.
  TabbedPaneUI | Pluggable look and feel interface for JTabbedPane.
  TabExpander | Simple interface to allow for different types of implementations of tab expansion.
  TableCellEditor | This interface defines the method any object that would like to be an editor of values for components such as `JListBox`, `JComboBox`, `JTree`, or `JTable` needs to implement.
  TableCellRenderer | This interface defines the method required by any object that would like to be a renderer for cells in a `JTable`.
  TableColumn | A `TableColumn` represents all the attributes of a column in a `JTable`, such as width, resizability, minimum and maximum width.
  TableColumnModel | Defines the requirements for a table column model object suitable for use with `JTable`.
  TableColumnModelEvent | TableColumnModelEvent is used to notify listeners that a table column model has changed, such as a column was added, removed, or moved.
  TableColumnModelListener | TableColumnModelListener defines the interface for an object that listens to changes in a TableColumnModel.
  TableHeaderUI | Pluggable look and feel interface for JTableHeader.
  TableModel | The `TableModel` interface specifies the methods the `JTable` will use to interrogate a tabular data model.
  TableModelEvent | TableModelEvent is used to notify listeners that a table model has changed.
  TableModelListener | TableModelListener defines the interface for an object that listens to changes in a TableModel.
  TableRowSorter<M extends TableModel> | An implementation of `RowSorter` that provides sorting and filtering using a `TableModel`.
  TableStringConverter | TableStringConverter is used to convert objects from the model into strings.
  TableUI | Pluggable look and feel interface for JTable.
  TableView | Implements View interface for a table, that is composed of an element structure where the child elements of the element this view is responsible for represent rows and the child elements of the row elements are cells.
  TabSet | A TabSet is comprised of many TabStops.
  TabStop | This class encapsulates a single tab stop (basically as tab stops are thought of by RTF).
  TabularData | The `TabularData` interface specifies the behavior of a specific type of complex open data objects which represent tabular data structures.
  TabularDataSupport | The `TabularDataSupport` class is the open data class which implements the `TabularData` and the `Map` interfaces, and which is internally based on a hash map data structure.
  TabularType | The `TabularType` class is the open type class whose instances describe the types of `TabularData` values.
  Tag | Deprecated, for removal: This API element is subject to removal in a future version. The declarations in this package have been superseded by those in the package `jdk.javadoc.doclet`.
  TagElement | A generic HTML TagElement class.
  Taglet | The interface for a custom taglet supported by doclets such as the `standard doclet`.
  Taglet.Location | The kind of location in which a tag may be used.
  Target | Indicates the contexts in which an annotation type is applicable.
  TargetDataLine | A target data line is a type of `DataLine` from which audio data can be read.
  TargetedNotification | A (Notification, Listener ID) pair.
  Taskbar | The `Taskbar` class allows a Java application to interact with the system task area (taskbar, Dock, etc.).
  Taskbar.Feature | List of provided features.
  Taskbar.State | Kinds of available window progress states.
  TaskEvent | Provides details about work that has been done by the JDK Java Compiler, javac.
  TaskEvent.Kind | Kind of task event.
  TaskListener | Provides a listener to monitor the activity of the JDK Java Compiler, javac.
  TemplateLiteralTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  Templates | An object that implements this interface is the runtime representation of processed transformation instructions.
  TemplatesHandler | A SAX ContentHandler that may be used to process SAX parse events (parsing transformation instructions) into a Templates object.
  Temporal | Framework-level interface defining read-write access to a temporal object, such as a date, time, offset or some combination of these.
  TemporalAccessor | Framework-level interface defining read-only access to a temporal object, such as a date, time, offset or some combination of these.
  TemporalAdjuster | Strategy for adjusting a temporal object.
  TemporalAdjusters | Common and useful TemporalAdjusters.
  TemporalAmount | Framework-level interface defining an amount of time, such as "6 hours", "8 days" or "2 years and 3 months".
  TemporalField | A field of date-time, such as month-of-year or hour-of-minute.
  TemporalQueries | Common implementations of `TemporalQuery`.
  TemporalQuery<R> | Strategy for querying a temporal object.
  TemporalUnit | A unit of date-time, such as Days or Hours.
  TerminalFactory | A factory for CardTerminal objects.
  TerminalFactorySpi | The TerminalFactorySpi class defines the service provider interface.
  Text | The `Text` interface inherits from `CharacterData` and represents the textual content (termed character data in XML) of an `Element` or `Attr`.
  TextAction | An Action implementation useful for key bindings that are shared across a number of different text components.
  TextArea | A `TextArea` object is a multi-line region that displays text.
  TextAttribute | The `TextAttribute` class defines attribute keys and attribute values used for text rendering.
  TextCallbackHandler | Prompts and reads from the command line for answers to authentication questions.
  TextComponent | The `TextComponent` class is the superclass of any component that allows the editing of some text.
  TextEvent | A semantic event which indicates that an object's text changed.
  TextField | A `TextField` object is a text component that allows for the editing of a single line of text.
  TextHitInfo | The `TextHitInfo` class represents a character position in a text model, and a bias, or "side," of the character.
  TextInputCallback | Underlying security services instantiate and pass a `TextInputCallback` to the `handle` method of a `CallbackHandler` to retrieve generic text information.
  TextLayout | `TextLayout` is an immutable graphical representation of styled character data.
  TextLayout.CaretPolicy | Defines a policy for determining the strong caret location.
  TextListener | The listener interface for receiving text events.
  TextMeasurer | The `TextMeasurer` class provides the primitive operations needed for line break: measuring up to a given advance, determining the advance of a range of characters, and generating a `TextLayout` for a range of characters.
  TextOutputCallback | Underlying security services instantiate and pass a `TextOutputCallback` to the `handle` method of a `CallbackHandler` to display information messages, warning messages and error messages.
  TextStyle | Enumeration of the style of text formatting and parsing.
  TextSyntax | Class `TextSyntax` is an abstract base class providing the common implementation of all attributes whose value is a string.
  TextTree | A tree node for plain text.
  TextUI | Text editor user interface
  TexturePaint | The `TexturePaint` class provides a way to fill a `Shape` with a texture that is specified as a `BufferedImage`.
  ThaiBuddhistChronology | The Thai Buddhist calendar system.
  ThaiBuddhistDate | A date in the Thai Buddhist calendar system.
  ThaiBuddhistEra | An era in the Thai Buddhist calendar system.
  Thread | A thread is a thread of execution in a program.
  Thread.State | A thread state.
  Thread.UncaughtExceptionHandler | Interface for handlers invoked when a `Thread` abruptly terminates due to an uncaught exception.
  ThreadDeath | An instance of `ThreadDeath` is thrown in the victim thread when the (deprecated) `Thread.stop()` method is invoked.
  ThreadDeathEvent | Notification of a completed thread in the target VM.
  ThreadDeathRequest | Request for notification when a thread terminates in the target VM.
  ThreadFactory | An object that creates new threads on demand.
  ThreadGroup | A thread group represents a set of threads.
  ThreadGroupReference | A thread group object from the target VM.
  ThreadInfo | Thread information.
  ThreadLocal<T> | This class provides thread-local variables.
  ThreadLocalRandom | A random number generator isolated to the current thread.
  ThreadMXBean | Platform-specific management interface for the thread system of the Java virtual machine.
  ThreadMXBean | The management interface for the thread system of the Java virtual machine.
  ThreadPoolExecutor | An `ExecutorService` that executes each submitted task using one of possibly several pooled threads, normally configured using `Executors` factory methods.
  ThreadPoolExecutor.AbortPolicy | A handler for rejected tasks that throws a `RejectedExecutionException`.
  ThreadPoolExecutor.CallerRunsPolicy | A handler for rejected tasks that runs the rejected task directly in the calling thread of the `execute` method, unless the executor has been shut down, in which case the task is discarded.
  ThreadPoolExecutor.DiscardOldestPolicy | A handler for rejected tasks that discards the oldest unhandled request and then retries `execute`, unless the executor is shut down, in which case the task is discarded.
  ThreadPoolExecutor.DiscardPolicy | A handler for rejected tasks that silently discards the rejected task.
  ThreadReference | A thread object from the target VM.
  ThreadStartEvent | Notification of a new running thread in the target VM.
  ThreadStartRequest | Request for notification when a thread starts execution in the target VM.
  Threshold | Event annotation, specifies the default duration below which an event is not recorded (for example, `"20 ms"`).
  Throwable | The `Throwable` class is the superclass of all errors and exceptions in the Java language.
  ThrowsTag | Deprecated, for removal: This API element is subject to removal in a future version. The declarations in this package have been superseded by those in the package `jdk.javadoc.doclet`.
  ThrowsTree | A tree node for an @exception or @throws block tag.
  ThrowTree | A tree node for a `throw` statement.
  ThrowTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  TIFFDirectory | A convenience class for simplifying interaction with TIFF native image metadata.
  TIFFField | A class representing a field in a TIFF 6.0 Image File Directory.
  TIFFImageReadParam | A subclass of `ImageReadParam` allowing control over the TIFF reading process.
  TIFFTag | A class defining the notion of a TIFF tag.
  TIFFTagSet | A class representing a set of TIFF tags.
  TileObserver | An interface for objects that wish to be informed when tiles of a WritableRenderedImage become modifiable by some writer via a call to getWritableTile, and when they become unmodifiable via the last call to releaseWritableTile.
  Time | A thin wrapper around the `java.util.Date` class that allows the JDBC API to identify this as an SQL `TIME` value.
  TimeLimitExceededException | This exception is thrown when a method does not terminate within the specified time limit.
  TimeoutException | Exception thrown when a blocking operation times out.
  Timer | A facility for threads to schedule tasks for future execution in a background thread.
  Timer | Provides the implementation of the timer MBean.
  Timer | Fires one or more `ActionEvent`s at specified intervals.
  TimerMBean | Exposes the management interface of the timer MBean.
  TimerNotification | This class provides definitions of the notifications sent by timer MBeans.
  TimerTask | A task that can be scheduled for one-time or repeated execution by a `Timer`.
  Timespan | Event field annotation, specifies that the value is a duration.
  Timestamp | This class encapsulates information about a signed timestamp.
  Timestamp | A thin wrapper around `java.util.Date` that allows the JDBC API to identify this as an SQL `TIMESTAMP` value.
  Timestamp | Event field annotation, specifies that the value is a point in time.
  TimeUnit | A `TimeUnit` represents time durations at a given unit of granularity and provides utility methods to convert across units, and to perform timing and delay operations in these units.
  TimeZone | `TimeZone` represents a time zone offset, and also figures out daylight savings.
  TimeZoneNameProvider | An abstract class for service providers that provide localized time zone names for the `TimeZone` class.
  TitledBorder | A class which implements an arbitrary border with the addition of a String title in a specified position and justification.
  ToDoubleBiFunction<T,​U> | Represents a function that accepts two arguments and produces a double-valued result.
  ToDoubleFunction<T> | Represents a function that produces a double-valued result.
  ToIntBiFunction<T,​U> | Represents a function that accepts two arguments and produces an int-valued result.
  ToIntFunction<T> | Represents a function that produces an int-valued result.
  ToLongBiFunction<T,​U> | Represents a function that accepts two arguments and produces a long-valued result.
  ToLongFunction<T> | Represents a function that produces a long-valued result.
  Tool | Common interface for tools that can be invoked from a program.
  ToolBarUI | Pluggable look and feel interface for JToolBar.
  Toolkit | This class is the abstract superclass of all actual implementations of the Abstract Window Toolkit.
  ToolProvider | An interface for command-line tools to provide a way to be invoked without necessarily starting a new VM.
  ToolProvider | Provides methods for locating tool providers, for example, providers of compilers.
  ToolTipManager | Manages all the `ToolTips` in the system.
  ToolTipUI | Pluggable look and feel interface for JToolTip.
  TooManyListenersException | The `TooManyListenersException` Exception is used as part of the Java Event model to annotate and implement a unicast special case of a multicast Event Source.
  TopLevelWindowListener | The `TopLevelWindowListener` interface is used by the `EventQueueMonitor` class to notify an interested party when a top level window is created or destroyed in the Java Virtual Machine.
  Track | A MIDI track is an independent stream of MIDI events (time-stamped MIDI data) that can be stored along with other tracks in a standard MIDI file.
  TransactionalWriter | A specialized interface that facilitates an extension of the standard `SyncProvider` abstract class so that it has finer grained transaction control.
  Transferable | Defines the interface for classes that can be used to provide data for a transfer operation.
  TransferHandler | This class is used to handle the transfer of a `Transferable` to and from Swing components.
  TransferHandler.DropLocation | Represents a location where dropped data should be inserted.
  TransferHandler.TransferSupport | This class encapsulates all relevant details of a clipboard or drag and drop transfer, and also allows for customizing aspects of the drag and drop experience.
  TransferQueue<E> | A `BlockingQueue` in which producers may wait for consumers to receive elements.
  Transform | A representation of the XML `Transform` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
  TransformAttribute | The `TransformAttribute` class provides an immutable wrapper for a transform so that it is safe to use as an attribute.
  Transformer | An instance of this abstract class can transform a source tree into a result tree.
  TransformerConfigurationException | Indicates a serious configuration error.
  TransformerException | This class specifies an exceptional condition that occurred during the transformation process.
  TransformerFactory | A TransformerFactory instance can be used to create `Transformer` and `Templates` objects.
  TransformerFactoryConfigurationError | Thrown when a problem with configuration with the Transformer Factories exists.
  TransformerHandler | A TransformerHandler listens for SAX ContentHandler parse events and transforms them to a Result.
  TransformException | Indicates an exceptional condition that occurred while executing a transform algorithm.
  TransformParameterSpec | A specification of algorithm parameters for a `Transform` algorithm.
  TransformService | A Service Provider Interface for transform and canonicalization algorithms.
  Transient | Indicates that an attribute called "transient" should be declared with the given `value` when the `Introspector` constructs a `PropertyDescriptor` or `EventSetDescriptor` classes associated with the annotated code element.
  TransitionFrom | Event field annotation, specifies that the event transitioned from a thread.
  TransitionTo | Event field annotation, specifies that the event will soon transition to a thread.
  Translator | The `Translator` class provides a translation to interface `Accessible` for objects that do not implement interface `Accessible`.
  Transmitter | A `Transmitter` sends `MidiEvent` objects to one or more `Receivers`.
  Transparency | The `Transparency` interface defines the common transparency modes for implementing classes.
  Transport | A method of communication between a debugger and a target VM.
  TransportService | A transport service for connections between a debugger and a target VM.
  TransportService.Capabilities | The transport service capabilities.
  TransportService.ListenKey | A listen key.
  TransportTimeoutException | This exception may be thrown as a result of a timeout when attaching to a target VM, or waiting to accept a connection from a target VM.
  TrayIcon | A `TrayIcon` object represents a tray icon that can be added to the `system tray`.
  TrayIcon.MessageType | The message type determines which icon will be displayed in the caption of the message, and a possible system sound a message may generate upon showing.
  Tree | Common interface for all nodes in an abstract syntax tree.
  Tree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  Tree.Kind | Enumerates all kinds of trees.
  Tree.Kind | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  TreeCellEditor | Adds to CellEditor the extensions necessary to configure an editor in a tree.
  TreeCellRenderer | Defines the requirements for an object that displays a tree node.
  TreeExpansionEvent | An event used to identify a single path in a tree.
  TreeExpansionListener | The listener that's notified when a tree expands or collapses a node.
  TreeMap<K,​V> | A Red-Black tree based `NavigableMap` implementation.
  TreeModel | The model used by `JTree`.
  TreeModelEvent | Encapsulates information describing changes to a tree model, and used to notify tree model listeners of the change.
  TreeModelListener | Defines the interface for an object that listens to changes in a TreeModel.
  TreeNode | Defines the requirements for an object that can be used as a tree node in a JTree.
  TreePath | A path of tree nodes, typically used to represent the sequence of ancestor nodes of a tree node up to the top level CompilationUnitTree node.
  TreePath | `TreePath` represents an array of objects that uniquely identify the path to a node in a tree.
  TreePathScanner<R,​P> | A TreeVisitor that visits all the child tree nodes, and provides support for maintaining a path for the parent nodes.
  Trees | Bridges JSR 199, JSR 269, and the Tree API.
  TreeScanner<R,​P> | A TreeVisitor that visits all the child tree nodes.
  TreeSelectionEvent | An event that characterizes a change in the current selection.
  TreeSelectionListener | The listener that's notified when the selection in a TreeSelectionModel changes.
  TreeSelectionModel | This interface represents the current state of the selection for the tree component.
  TreeSet<E> | A `NavigableSet` implementation based on a `TreeMap`.
  TreeUI | Pluggable look and feel interface for JTree.
  TreeVisitor<R,​P> | A visitor of trees, in the style of the visitor design pattern.
  TreeVisitor<R,​P> | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  TreeWalker | `TreeWalker` objects are used to navigate a document tree or subtree using the view of the document defined by their `whatToShow` flags and filter (if any).
  TreeWillExpandListener | The listener that's notified when a tree expands or collapses a node.
  TrustAnchor | A trust anchor or most-trusted Certification Authority (CA).
  TrustManager | This is the base interface for JSSE trust managers.
  TrustManagerFactory | This class acts as a factory for trust managers based on a source of trust material.
  TrustManagerFactorySpi | This class defines the Service Provider Interface (SPI) for the `TrustManagerFactory` class.
  TryTree | A tree node for a `try` statement.
  TryTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  Type | Deprecated, for removal: This API element is subject to removal in a future version. The declarations in this package have been superseded by those in the package `jdk.javadoc.doclet`.
  Type | The mirror for a type in the target VM.
  Type | Type is the common superinterface for all types in the Java programming language.
  TypeBasedGuardingDynamicLinker | A guarding dynamic linker that can determine whether it can link the call site solely based on the type of the first argument at linking invocation time.
  TypeCastTree | A tree node for a type cast expression.
  TypeComponent | An entity declared within a user defined type (class or interface).
  TypeDeclSnippet | Snippet for a type definition (a class, interface, enum, or annotation interface definition).
  TypeElement | Represents a class or interface program element.
  TypeInfo | The `TypeInfo` interface represents a type referenced from `Element` or `Attr` nodes, specified in the schemas associated with the document.
  TypeInfoProvider | This class provides access to the type information determined by `ValidatorHandler`.
  TypeKind | The kind of a type mirror.
  TypeKindVisitor6<R,​P> | A visitor of types based on their kind with default behavior appropriate for the `RELEASE_6` source version.
  TypeKindVisitor7<R,​P> | A visitor of types based on their kind with default behavior appropriate for the `RELEASE_7` source version.
  TypeKindVisitor8<R,​P> | A visitor of types based on their kind with default behavior appropriate for the `RELEASE_8` source version.
  TypeKindVisitor9<R,​P> | A visitor of types based on their kind with default behavior appropriate for source versions `RELEASE_9` through `RELEASE_11`.
  TypeMirror | Represents a type in the Java programming language.
  TypeNotPresentException | Thrown when an application tries to access a type using a string representing the type's name, but no definition for the type with the specified name can be found.
  TypeParameterElement | Represents a formal type parameter of a generic class, interface, method, or constructor element.
  TypeParameterTree | A tree node for a type parameter.
  Types | The class that defines the constants that are used to identify generic SQL types, called JDBC types.
  Types | Utility methods for operating on types.
  TypeUtilities | Various static utility methods for working with Java types.
  TypeVariable | Deprecated, for removal: This API element is subject to removal in a future version. The declarations in this package have been superseded by those in the package `jdk.javadoc.doclet`.
  TypeVariable<D extends GenericDeclaration> | TypeVariable is the common superinterface for type variables of kinds.
  TypeVariable | Represents a type variable.
  TypeVisitor<R,​P> | A visitor of types, in the style of the visitor design pattern.
  UIClientPropertyKey | This interface is used only for tagging keys for client properties for `JComponent` set by UI which needs to be cleared on L&F change and serialization.
  UID | A `UID` represents an identifier that is unique over time with respect to the host it is generated on, or one of 216 "well-known" identifiers.
  UIDefaults | A table of defaults for Swing components.
  UIDefaults.ActiveValue | This class enables one to store an entry in the defaults table that's constructed each time it's looked up with one of the `getXXX(key)` methods.
  UIDefaults.LazyInputMap | `LazyInputMap` will create a `InputMap` in its `createValue` method.
  UIDefaults.LazyValue | This class enables one to store an entry in the defaults table that isn't constructed until the first time it's looked up with one of the `getXXX(key)` methods.
  UIDefaults.ProxyLazyValue | This class provides an implementation of `LazyValue` which can be used to delay loading of the Class for the instance to be created.
  UIEvent | The `UIEvent` interface provides specific contextual information associated with User Interface events.
  UIManager | `UIManager` manages the current look and feel, the set of available look and feels, `PropertyChangeListeners` that are notified when the look and feel changes, look and feel defaults, and convenience methods for obtaining various default values.
  UIManager.LookAndFeelInfo | Provides a little information about an installed `LookAndFeel` for the sake of configuring a menu or for initial application set up.
  UIResource | This interface is used to mark objects created by ComponentUI delegates.
  UnaryOperator<T> | Represents an operation on a single operand that produces a result of the same type as its operand.
  UnaryTree | A tree node for postfix and unary expressions.
  UnaryTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  UncheckedIOException | Wraps an `IOException` with an unchecked exception.
  UndeclaredThrowableException | Thrown by a method invocation on a proxy instance if its invocation handler's `invoke` method throws a checked exception (a `Throwable` that is not assignable to `RuntimeException` or `Error`) that is not assignable to any of the exception types declared in the `throws` clause of the method that was invoked on the proxy instance and dispatched to the invocation handler.
  UndoableEdit | An `UndoableEdit` represents an edit.
  UndoableEditEvent | An event indicating that an operation which can be undone has occurred.
  UndoableEditListener | Interface implemented by a class interested in hearing about undoable operations.
  UndoableEditSupport | A support class used for managing `UndoableEdit` listeners.
  UndoManager | `UndoManager` manages a list of `UndoableEdits`, providing a way to undo or redo the appropriate edits.
  UnexpectedException | An `UnexpectedException` is thrown if the client of a remote method call receives, as a result of the call, a checked exception that is not among the checked exception types declared in the `throws` clause of the method in the remote interface.
  UnicastRemoteObject | Used for exporting a remote object with JRMP and obtaining a stub that communicates to the remote object.
  UnionType | Represents a union type.
  UnionTypeTree | A tree node for a union type expression in a multicatch variable declaration.
  UnixLoginModule | This `LoginModule` imports a user's Unix `Principal` information (`UnixPrincipal`, `UnixNumericUserPrincipal`, and `UnixNumericGroupPrincipal`) and associates them with the current `Subject`.
  UnixNumericGroupPrincipal | This class implements the `Principal` interface and represents a user's Unix group identification number (GID).
  UnixNumericUserPrincipal | This class implements the `Principal` interface and represents a user's Unix identification number (UID).
  UnixOperatingSystemMXBean | Platform-specific management interface for the Unix operating system on which the Java virtual machine is running.
  UnixPrincipal | This class implements the `Principal` interface and represents a Unix user.
  UnixSystem | This class implementation retrieves and makes available Unix UID/GID/groups information for the current user.
  UnknownAnnotationValueException | Indicates that an unknown kind of annotation value was encountered.
  UnknownBlockTagTree | A tree node for an unrecognized inline tag.
  UnknownDirectiveException | Indicates that an unknown kind of module directive was encountered.
  UnknownElementException | Indicates that an unknown kind of element was encountered.
  UnknownEntityException | Superclass of exceptions which indicate that an unknown kind of entity was encountered.
  UnknownError | Thrown when an unknown but serious exception has occurred in the Java Virtual Machine.
  UnknownFormatConversionException | Unchecked exception thrown when an unknown conversion is given.
  UnknownFormatFlagsException | Unchecked exception thrown when an unknown flag is given.
  UnknownGroupException | An `UnknownGroupException` is thrown by methods of classes and interfaces in the `java.rmi.activation` package when the `ActivationGroupID` parameter to the method is determined to be invalid, i.e., not known by the `ActivationSystem`.
  UnknownHostException | Thrown to indicate that the IP address of a host could not be determined.
  UnknownHostException | An `UnknownHostException` is thrown if a `java.net.UnknownHostException` occurs while creating a connection to the remote host for a remote method call.
  UnknownInlineTagTree | A tree node for an unrecognized inline tag.
  UnknownObjectException | An `UnknownObjectException` is thrown by methods of classes and interfaces in the `java.rmi.activation` package when the `ActivationID` parameter to the method is determined to be invalid.
  UnknownServiceException | Thrown to indicate that an unknown service exception has occurred.
  UnknownTreeException | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  UnknownTypeException | Indicates that an unknown kind of type was encountered.
  UnmappableCharacterException | Checked exception thrown when an input character (or byte) sequence is valid but cannot be mapped to an output byte (or character) sequence.
  UnmarshalException | An `UnmarshalException` can be thrown while unmarshalling the parameters or results of a remote method call if any of the following conditions occur: if an exception occurs while unmarshalling the call header if the protocol for the return value is invalid if a `java.io.IOException` occurs unmarshalling parameters (on the server side) or the return value (on the client side).
  UnmodifiableClassException | Thrown by an implementation of `Instrumentation.redefineClasses` when one of the specified classes cannot be modified.
  UnmodifiableModuleException | Thrown to indicate that a module cannot be modified.
  UnmodifiableSetException | Thrown to indicate that the requested operation cannot be performed because the set is unmodifiable.
  UnrecoverableEntryException | This exception is thrown if an entry in the keystore cannot be recovered.
  UnrecoverableKeyException | This exception is thrown if a key in the keystore cannot be recovered.
  Unreferenced | A remote object implementation should implement the `Unreferenced` interface to receive notification when there are no more clients that reference that remote object.
  UnresolvedAddressException | Unchecked exception thrown when an attempt is made to invoke a network operation upon an unresolved socket address.
  UnresolvedPermission | The UnresolvedPermission class is used to hold Permissions that were "unresolved" when the Policy was initialized.
  UnresolvedReferenceException | Exception reported on attempting to execute a `RECOVERABLE_DEFINED` snippet.
  UnsatisfiedLinkError | Thrown if the Java Virtual Machine cannot find an appropriate native-language definition of a method declared `native`.
  Unsigned | Event field annotation, specifies that the value is of an unsigned data type.
  UnsolicitedNotification | This interface represents an unsolicited notification as defined in RFC 2251.
  UnsolicitedNotificationEvent | This class represents an event fired in response to an unsolicited notification sent by the LDAP server.
  UnsolicitedNotificationListener | This interface is for handling `UnsolicitedNotificationEvent`.
  UnsupportedAddressTypeException | Unchecked exception thrown when an attempt is made to bind or connect to a socket address of a type that is not supported.
  UnsupportedAudioFileException | An `UnsupportedAudioFileException` is an exception indicating that an operation failed because a file did not contain valid data of a recognized file type and format.
  UnsupportedCallbackException | Signals that a `CallbackHandler` does not recognize a particular `Callback`.
  UnsupportedCharsetException | Unchecked exception thrown when no support is available for a requested charset.
  UnsupportedClassVersionError | Thrown when the Java Virtual Machine attempts to read a class file and determines that the major and minor version numbers in the file are not supported.
  UnsupportedEncodingException | The Character Encoding is not supported.
  UnsupportedFlavorException | Signals that the requested data is not supported in this flavor.
  UnsupportedLookAndFeelException | An exception that indicates the requested look & feel management classes are not present on the user's system.
  UnsupportedOperationException | Thrown to indicate that the requested operation is not supported.
  UnsupportedTemporalTypeException | UnsupportedTemporalTypeException indicates that a ChronoField or ChronoUnit is not supported for a Temporal class.
  URI | Represents a Uniform Resource Identifier (URI) reference.
  URICertStoreParameters | Parameters used as input for `CertStore` algorithms which use information contained in a URI to retrieve certificates and CRLs.
  URIDereferencer | A dereferencer of `URIReference`s.
  URIException | Interface `URIException` is a mixin interface which a subclass of `PrintException` can implement to report an error condition involving a `URI` address.
  URIParameter | A parameter that contains a URI pointing to data intended for a PolicySpi or ConfigurationSpi implementation.
  URIReference | Identifies a data object via a URI-Reference, as specified by RFC 2396.
  URIReferenceException | Indicates an exceptional condition thrown while dereferencing a `URIReference`.
  URIResolver | An object that implements this interface that can be called by the processor to turn a URI used in document(), xsl:import, or xsl:include into a Source object.
  URISyntax | Class `URISyntax` is an abstract base class providing the common implementation of all attributes whose value is a Uniform Resource Identifier (URI).
  URISyntaxException | Checked exception thrown to indicate that a string could not be parsed as a URI reference.
  URL | Class `URL` represents a Uniform Resource Locator, a pointer to a "resource" on the World Wide Web.
  URLClassLoader | This class loader is used to load classes and resources from a search path of URLs referring to both JAR files and directories.
  URLConnection | The abstract class `URLConnection` is the superclass of all classes that represent a communications link between the application and a URL.
  URLDecoder | Utility class for HTML form decoding.
  URLEncoder | Utility class for HTML form encoding.
  URLPermission | Represents permission to access a resource or set of resources defined by a given url, and for a given set of user-settable request methods and request headers.
  URLReader | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  URLStreamHandler | The abstract class `URLStreamHandler` is the common superclass for all stream protocol handlers.
  URLStreamHandlerFactory | This interface defines a factory for `URL` stream protocol handlers.
  URLStreamHandlerProvider | URL stream handler service-provider class.
  UserDataHandler | When associating an object to a key on a node using `Node.setUserData()` the application can provide a handler that gets called when the node the object is associated to is being cloned, imported, or renamed.
  UserDefinedFileAttributeView | A file attribute view that provides a view of a file's user-defined attributes, sometimes known as extended attributes.
  UserPrincipal | A user principal identified by a username or account name.
  UserPrincipal | A `Principal` representing an identity used to determine access rights to objects in a file system.
  UserPrincipalLookupService | An object to lookup user and group principals by name.
  UserPrincipalNotFoundException | Checked exception thrown when a lookup of `UserPrincipal` fails because the principal does not exist.
  UserSessionEvent | Event sent when the user session has been changed.
  UserSessionEvent.Reason | Kinds of available reasons of user session change.
  UserSessionListener | Implementors receive notification when the user session changes.
  UsesTree | A tree node for an @uses block tag.
  UsesTree | A tree node for a 'uses' directive in a module declaration.
  UTFDataFormatException | Signals that a malformed string in modified UTF-8 format has been read in a data input stream or by any class that implements the data input interface.
  Util | Miscellaneous utility methods for setting-up implementations of `ExecutionControl`.
  Utilities | A collection of methods to deal with various text related activities.
  UUID | A class that represents an immutable universally unique identifier (UUID).
  Validator | A processor that checks an XML document against `Schema`.
  ValidatorHandler | Streaming validator that works on SAX stream.
  Value | The mirror for a value in the target VM.
  ValueDescriptor | Describes the event fields and annotation elements.
  ValueExp | Represents values that can be passed as arguments to relational expressions.
  ValueRange | The range of valid values for a date-time field.
  ValueTree | A tree node for an @value inline tag.
  VarHandle | A VarHandle is a dynamically strongly typed reference to a variable, or to a parametrically-defined family of variables, including static fields, non-static fields, array elements, or components of an off-heap data structure.
  VarHandle.AccessMode | The set of access modes that specify how a variable, referenced by a VarHandle, is accessed.
  VariableElement | Represents a field, `enum` constant, method or constructor parameter, local variable, resource variable, or exception parameter.
  VariableHeightLayoutCache | NOTE: This will become more open in a future release.
  VariableTree | A tree node for a variable declaration.
  VariableTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  VarSnippet | Snippet for a variable definition.
  Vector<E> | The `Vector` class implements a growable array of objects.
  VerifyError | Thrown when the "verifier" detects that a class file, though well formed, contains some sort of internal inconsistency or security problem.
  VersionTree | A tree node for an @version block tag.
  VetoableChangeListener | A VetoableChange event gets fired whenever a bean changes a "constrained" property.
  VetoableChangeListenerProxy | A class which extends the `EventListenerProxy` specifically for adding a `VetoableChangeListener` with a "constrained" property.
  VetoableChangeSupport | This is a utility class that can be used by beans that support constrained properties.
  View | A very important part of the text package is the `View` class.
  ViewCSS | This interface represents a CSS view.
  ViewFactory | A factory to create a view of some portion of document subject.
  ViewportLayout | The default layout manager for `JViewport`.
  ViewportUI | Pluggable look and feel interface for JViewport.
  VirtualMachine | A virtual machine targeted for debugging.
  VirtualMachine | A Java virtual machine.
  VirtualMachineDescriptor | Describes a Java virtual machine.
  VirtualMachineError | Thrown to indicate that the Java Virtual Machine is broken or has run out of resources necessary for it to continue operating.
  VirtualMachineManager | A manager of connections to target virtual machines.
  Visibility | Under some circumstances a bean may be run on servers where a GUI is not available.
  VMCannotBeModifiedException | Thrown to indicate that the operation is invalid because it would modify the VM and the VM is read-only.
  VMDeathEvent | Notification of target VM termination.
  VMDeathRequest | Request for notification when the target VM terminates.
  VMDisconnectedException | Unchecked exception thrown to indicate that the requested operation cannot be completed because there is no longer a connection to the target VM.
  VMDisconnectEvent | Notification of disconnection from target VM.
  VMID | A VMID is a identifier that is unique across all Java virtual machines.
  VMMismatchException | Thrown to indicate that the requested operation cannot be completed because the a mirror from one target VM is being combined with a mirror from another target VM.
  VMOption | Information about a VM option including its value and where the value came from which is referred as its `origin`.
  VMOption.Origin | Origin of the value of a VM option.
  VMOutOfMemoryException | Thrown to indicate that the requested operation cannot be completed because the target VM has run out of memory.
  VMStartEvent | Notification of initialization of a target VM.
  VMStartException | A target VM was successfully launched, but terminated with an error before a connection could be established.
  VoiceStatus | A `VoiceStatus` object contains information about the current status of one of the voices produced by a `Synthesizer`.
  Void | The `Void` class is an uninstantiable placeholder class to hold a reference to the `Class` object representing the Java keyword void.
  VoidType | The type of all primitive `void` values accessed in the target VM.
  VoidValue | Provides access to a primitive `void` value in the target VM.
  VolatileCallSite | A `VolatileCallSite` is a `CallSite` whose target acts like a volatile variable.
  VolatileImage | VolatileImage is an image which can lose its contents at any time due to circumstances beyond the control of the application (e.g., situations caused by the operating system or by other applications).
  Watchable | An object that may be registered with a watch service so that it can be watched for changes and events.
  WatchEvent<T> | An event or a repeated event for an object that is registered with a `WatchService`.
  WatchEvent.Kind<T> | An event kind, for the purposes of identification.
  WatchEvent.Modifier | An event modifier that qualifies how a `Watchable` is registered with a `WatchService`.
  WatchKey | A token representing the registration of a `watchable` object with a `WatchService`.
  WatchpointEvent | Notification of a field triggered event encountered by a thread in the target VM.
  WatchpointRequest | Identifies a `Field` in the target VM being watched.
  WatchService | A watch service that watches registered objects for changes and events.
  WeakHashMap<K,​V> | Hash table based implementation of the `Map` interface, with weak keys.
  WeakReference<T> | Weak reference objects, which do not prevent their referents from being made finalizable, finalized, and then reclaimed.
  WebRowSet | The standard interface that all implementations of a `WebRowSet` must implement.
  WebSocket | A WebSocket Client.
  WebSocket.Builder | A builder of WebSocket Clients.
  WebSocket.Listener | The receiving interface of `WebSocket`.
  WebSocketHandshakeException | Thrown when the opening handshake has failed.
  WeekFields | Localized definitions of the day-of-week, week-of-month and week-of-year fields.
  WhileLoopTree | A tree node for a `while` loop statement.
  WhileLoopTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  WildcardTree | A tree node for a wildcard type argument.
  WildcardType | Deprecated, for removal: This API element is subject to removal in a future version. The declarations in this package have been superseded by those in the package `jdk.javadoc.doclet`.
  WildcardType | WildcardType represents a wildcard type expression, such as `?`, `? extends Number`, or `? super Integer`.
  WildcardType | Represents a wildcard type argument.
  Window | A `Window` object is a top-level window with no borders and no menubar.
  Window.Type | Enumeration of available window types.
  WindowAdapter | An abstract adapter class for receiving window events.
  WindowConstants | Constants used to control the window-closing operation.
  WindowEvent | A low-level event that indicates that a window has changed its status.
  WindowFocusListener | The listener interface for receiving `WindowEvents`, including `WINDOW_GAINED_FOCUS` and `WINDOW_LOST_FOCUS` events.
  WindowListener | The listener interface for receiving window events.
  WindowStateListener | The listener interface for receiving window state events.
  WithTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  WrappedPlainView | View of plain text (text with only one font and color) that does line-wrapping.
  Wrapper | Interface for JDBC classes which provide the ability to retrieve the delegate instance when the instance in question is in fact a proxy class.
  WritableByteChannel | A channel that can write bytes.
  WritableRaster | This class extends Raster to provide pixel writing capabilities.
  WritableRenderedImage | WritableRenderedImage is a common interface for objects which contain or can produce image data in the form of Rasters and which can be modified and/or written over.
  WriteAbortedException | Signals that one of the ObjectStreamExceptions was thrown during a write operation.
  WritePendingException | Unchecked exception thrown when an attempt is made to write to an asynchronous socket channel and a previous write has not completed.
  Writer | Abstract class for writing to character streams.
  WrongMethodTypeException | Thrown to indicate that code has attempted to call a method handle via the wrong method type.
  X500Principal | This class represents an X.500 `Principal`.
  X500PrivateCredential | This class represents an `X500PrivateCredential`.
  X509Certificate | Abstract class for X.509 certificates.
  X509Certificate | Deprecated. Use the classes in `java.security.cert` instead.
  X509CertSelector | A `CertSelector` that selects `X509Certificates` that match all specified criteria.
  X509CRL | Abstract class for an X.509 Certificate Revocation List (CRL).
  X509CRLEntry | Abstract class for a revoked certificate in a CRL (Certificate Revocation List).
  X509CRLSelector | A `CRLSelector` that selects `X509CRLs` that match all specified criteria.
  X509Data | A representation of the XML `X509Data` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
  X509EncodedKeySpec | This class represents the ASN.1 encoding of a public key, encoded according to the ASN.1 type `SubjectPublicKeyInfo`.
  X509ExtendedKeyManager | Abstract class that provides for extension of the X509KeyManager interface.
  X509ExtendedTrustManager | Extensions to the `X509TrustManager` interface to support SSL/TLS/DTLS connection sensitive trust management.
  X509Extension | Interface for an X.509 extension.
  X509IssuerSerial | A representation of the XML `X509IssuerSerial` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
  X509KeyManager | Instances of this interface manage which X509 certificate-based key pairs are used to authenticate the local side of a secure socket.
  X509TrustManager | Instance of this interface manage which X509 certificates may be used to authenticate the remote side of a secure socket.
  XAConnection | An object that provides support for distributed transactions.
  XAConnectionBuilder | A builder created from a `XADataSource` object, used to establish a connection to the database that the `data source` object represents.
  XADataSource | A factory for `XAConnection` objects that is used internally.
  XAException | The XAException is thrown by the Resource Manager (RM) to inform the Transaction Manager of an error encountered by the involved transaction.
  XAResource | The XAResource interface is a Java mapping of the industry standard XA interface based on the X/Open CAE Specification (Distributed Transaction Processing: The XA Specification).
  XECKey | An interface for an elliptic curve public/private key as defined by RFC 7748.
  XECPrivateKey | An interface for an elliptic curve private key as defined by RFC 7748.
  XECPrivateKeySpec | A class representing elliptic curve private keys as defined in RFC 7748, including the curve and other algorithm parameters.
  XECPublicKey | An interface for an elliptic curve public key as defined by RFC 7748.
  XECPublicKeySpec | A class representing elliptic curve public keys as defined in RFC 7748, including the curve and other algorithm parameters.
  Xid | The Xid interface is a Java mapping of the X/Open transaction identifier XID structure.
  XMLConstants | Utility class to contain basic XML values as constants.
  XMLCryptoContext | Contains common context information for XML cryptographic operations.
  XMLDecoder | The `XMLDecoder` class is used to read XML documents created using the `XMLEncoder` and is used just like the `ObjectInputStream`.
  XMLEncoder | The `XMLEncoder` class is a complementary alternative to the `ObjectOutputStream` and can used to generate a textual representation of a JavaBean in the same way that the `ObjectOutputStream` can be used to create binary representation of `Serializable` objects.
  XMLEvent | This is the base event interface for handling markup events.
  XMLEventAllocator | This interface defines a class that allows a user to register a way to allocate events given an XMLStreamReader.
  XMLEventConsumer | This interface defines an event consumer interface.
  XMLEventFactory | This interface defines a utility class for creating instances of XMLEvents
  XMLEventReader | This is the top level interface for parsing XML Events.
  XMLEventWriter | This is the top level interface for writing XML documents.
  XMLFilter | Interface for an XML filter.
  XMLFilterImpl | Base class for deriving an XML filter.
  XMLFormatter | Format a LogRecord into a standard XML format.
  XMLGregorianCalendar | Representation for W3C XML Schema 1.0 date/time datatypes.
  XMLInputFactory | Defines an abstract implementation of a factory for getting streams.
  XMLObject | A representation of the XML `Object` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
  XMLOutputFactory | Defines an abstract implementation of a factory for getting XMLEventWriters and XMLStreamWriters.
  XMLParseException | This exception is thrown when an XML formatted string is being parsed into ModelMBean objects or when XML formatted strings are being created from ModelMBean objects.
  XmlReader | A specialized interface that facilitates an extension of the `SyncProvider` abstract class for XML orientated synchronization providers.
  XMLReader | Interface for reading an XML document using callbacks.
  XMLReaderAdapter | Adapt a SAX2 XMLReader as a SAX1 Parser.
  XMLReaderFactory | Deprecated. It is recommended to use `SAXParserFactory` instead.
  XMLReporter | This interface is used to report non-fatal errors.
  XMLResolver | This interface is used to resolve resources during an XML parse.
  XMLSignature | A representation of the XML `Signature` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
  XMLSignature.SignatureValue | A representation of the XML `SignatureValue` element as defined in the W3C Recommendation for XML-Signature Syntax and Processing.
  XMLSignatureException | Indicates an exceptional condition that occurred during the XML signature generation or validation process.
  XMLSignatureFactory | A factory for creating `XMLSignature` objects from scratch or for unmarshalling an `XMLSignature` object from a corresponding XML representation.
  XMLSignContext | Contains context information for generating XML Signatures.
  XMLStreamConstants | This interface declares the constants used in this API.
  XMLStreamException | The base exception for unexpected processing errors.
  XMLStreamReader | The XMLStreamReader interface allows forward, read-only access to XML.
  XMLStreamWriter | The XMLStreamWriter interface specifies how to write XML.
  XMLStructure | A representation of an XML structure from any namespace.
  XMLValidateContext | Contains context information for validating XML Signatures.
  XmlWriter | A specialized interface that facilitates an extension of the `SyncProvider` abstract class for XML orientated synchronization providers.
  XPath | `XPath` provides access to the XPath evaluation environment and expressions.
  XPathConstants | XPath constants.
  XPathEvaluationResult<T> | The `XPathEvaluationResult` interface represents the result of the evaluation of an XPath expression within the context of a particular node.
  XPathEvaluationResult.XPathResultType | XPathResultType represents possible return types of an XPath evaluation.
  XPathEvaluator | The evaluation of XPath expressions is provided by `XPathEvaluator`.
  XPathException | `XPathException` represents a generic XPath exception.
  XPathException | A new exception has been created for exceptions specific to these XPath interfaces.
  XPathExpression | `XPathExpression` provides access to compiled XPath expressions.
  XPathExpression | The `XPathExpression` interface represents a parsed and resolved XPath expression.
  XPathExpressionException | `XPathExpressionException` represents an error in an XPath expression.
  XPathFactory | An `XPathFactory` instance can be used to create `XPath` objects.
  XPathFactoryConfigurationException | `XPathFactoryConfigurationException` represents a configuration error in a `XPathFactory` environment.
  XPathFilter2ParameterSpec | Parameters for the W3C Recommendation XPath Filter 2.0 Transform Algorithm.
  XPathFilterParameterSpec | Parameters for the XPath Filtering Transform Algorithm.
  XPathFunction | `XPathFunction` provides access to XPath functions.
  XPathFunctionException | `XPathFunctionException` represents an error with an XPath function.
  XPathFunctionResolver | `XPathFunctionResolver` provides access to the set of user defined `XPathFunction`s.
  XPathNamespace | The `XPathNamespace` interface is returned by `XPathResult` interfaces to represent the XPath namespace node type that DOM lacks.
  XPathNodes | XPathNodes represents a set of nodes selected by a location path as specified in XML Path Language (XPath) Version 1.0, 3.3 Node-sets.
  XPathNSResolver | The `XPathNSResolver` interface permit `prefix` strings in the expression to be properly bound to `namespaceURI` strings.
  XPathResult | The `XPathResult` interface represents the result of the evaluation of an XPath 1.0 expression within the context of a particular node.
  XPathType | The XML Schema Definition of the `XPath` element as defined in the W3C Recommendation for XML-Signature XPath Filter 2.0:
  XPathType.Filter | Represents the filter set operation.
  XPathVariableResolver | `XPathVariableResolver` provides access to the set of user defined XPath variables.
  XSLTTransformParameterSpec | Parameters for the XSLT Transform Algorithm.
  Year | A year in the ISO-8601 calendar system, such as `2007`.
  YearMonth | A year-month in the ISO-8601 calendar system, such as `2007-12`.
  YieldTree | Deprecated, for removal: This API element is subject to removal in a future version. Nashorn JavaScript script engine and APIs, and the jjs tool are deprecated with the intent to remove them in a future release.
  ZipEntry | This class is used to represent a ZIP file entry.
  ZipError | Signals that an unrecoverable error has occurred.
  ZipException | Signals that a Zip exception of some sort has occurred.
  ZipFile | This class is used to read entries from a zip file.
  ZipInputStream | This class implements an input stream filter for reading files in the ZIP file format.
  ZipOutputStream | This class implements an output stream filter for writing files in the ZIP file format.
  ZonedDateTime | A date-time with a time-zone in the ISO-8601 calendar system, such as `2007-12-03T10:15:30+01:00 Europe/Paris`.
  ZoneId | A time-zone ID, such as `Europe/Paris`.
  ZoneOffset | A time-zone offset from Greenwich/UTC, such as `+02:00`.
  ZoneOffsetTransition | A transition between two offsets caused by a discontinuity in the local time-line.
  ZoneOffsetTransitionRule | A rule expressing how to create a transition.
  ZoneOffsetTransitionRule.TimeDefinition | A definition of the way a local time can be converted to the actual transition date-time.
  ZoneRules | The rules defining how the zone offset varies for a single time-zone.
  ZoneRulesException | Thrown to indicate a problem with time-zone configuration.
  ZoneRulesProvider | Provider of time-zone rules to the system.
  ZoneView | ZoneView is a View implementation that creates zones for which the child views are not created or stored until they are needed for display or model/view translations.