## Uses of Class
java.awt.GridBagConstraints

- Packages that use GridBagConstraints
  Package | Description
  --- | ---
  java.awt | Contains all of the classes for creating user interfaces and for painting graphics and images.
  javax.swing.plaf.basic | Provides user interface objects built according to the Basic look and feel.

- - ### Uses of GridBagConstraints in java.awt

    Fields in java.awt declared as GridBagConstraints
    Modifier and Type | Field | Description
    --- | --- | ---
    `protected GridBagConstraints` | GridBagLayout.`defaultConstraints` | This field holds a gridbag constraints instance containing the default values, so if a component does not have gridbag constraints associated with it, then the component will be assigned a copy of the `defaultConstraints`.

    Fields in java.awt with type parameters of type GridBagConstraints
    Modifier and Type | Field | Description
    --- | --- | ---
    `protected Hashtable<Component,​GridBagConstraints>` | GridBagLayout.`comptable` | This hashtable maintains the association between a component and its gridbag constraints.

    Methods in java.awt that return GridBagConstraints
    Modifier and Type | Method | Description
    --- | --- | ---
    `GridBagConstraints` | GridBagLayout.`getConstraints​(Component comp)` | Gets the constraints for the specified component.
    `protected GridBagConstraints` | GridBagLayout.`lookupConstraints​(Component comp)` | Retrieves the constraints for the specified component.

    Methods in java.awt with parameters of type GridBagConstraints
    Modifier and Type | Method | Description
    --- | --- | ---
    `protected void` | GridBagLayout.`adjustForGravity​(GridBagConstraints constraints, Rectangle r)` | Adjusts the x, y, width, and height fields to the correct values depending on the constraint geometry and pads.
    `protected void` | GridBagLayout.`AdjustForGravity​(GridBagConstraints constraints, Rectangle r)` | Adjusts the x, y, width, and height fields to the correct values depending on the constraint geometry and pads.
    `void` | GridBagLayout.`setConstraints​(Component comp, GridBagConstraints constraints)` | Sets the constraints for the specified component in this layout.

  - ### Uses of GridBagConstraints in javax.swing.plaf.basic

    Methods in javax.swing.plaf.basic with parameters of type GridBagConstraints
    Modifier and Type | Method | Description
    --- | --- | ---
    `protected void` | BasicOptionPaneUI.`addMessageComponents​(Container container, GridBagConstraints cons, Object msg, int maxll, boolean internallyCreated)` | Creates the appropriate object to represent `msg` and places it into `container`.