# Uses of Class
jdk.jfr.Label

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

## Uses of Label in jdk.jfr

Classes in jdk.jfr with annotations of type Label
Modifier and Type | Class | Description
--- | --- | ---
`interface` | `BooleanFlag` | Event field annotation, specifies that the value is a boolean flag, a `true` or `false` value
`interface` | `ContentType` | Meta annotation, specifies that an annotation represents a content type, such as a time span or a frequency.
`interface` | `DataAmount` | Event field annotation, specifies that a value represents an amount of data (for example, bytes).
`interface` | `Experimental` | Annotation that specifies that an element is experimental and may change without notice.
`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` | `Relational` | Meta annotation for relational annotations, to be used on an annotation.
`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` | `TransitionFrom` | Event field annotation, specifies that the event transitioned from a thread.
`interface` | `TransitionTo` | Event field annotation, specifies that the event will soon transition to a thread.
`interface` | `Unsigned` | Event field annotation, specifies that the value is of an unsigned data type.