## Uses of Class
jdk.jfr.ContentType

- Packages that use ContentType
  Package | Description
  --- | ---
  jdk.jfr | This package provides classes to create events and control Flight Recorder.

- - ### Uses of ContentType in jdk.jfr

    Classes in jdk.jfr with annotations of type ContentType
    Modifier and Type | Class | Description
    --- | --- | ---
    `interface` | `BooleanFlag` | Event field annotation, specifies that the value is a boolean flag, a `true` or `false` value
    `interface` | `DataAmount` | Event field annotation, specifies that a value represents an amount of data (for example, bytes).
    `interface` | `Frequency` | Event field annotation, specifies that the value is a frequency, measured in Hz.
    `interface` | `MemoryAddress` | Event field annotation, specifies that the value is a memory address.
    `interface` | `Percentage` | Event field annotation to use on fractions, typically between `0.0` and `1.0`, to specify that the value is a percentage.
    `interface` | `Timespan` | Event field annotation, specifies that the value is a duration.
    `interface` | `Timestamp` | Event field annotation, specifies that the value is a point in time.
    `interface` | `Unsigned` | Event field annotation, specifies that the value is of an unsigned data type.