java.lang.annotation (Java SE 11 & JDK 11 )
Keywords: java.lang.annotation package

Module java.base

# Package java.lang.annotation

Provides library support for the Java programming language annotation facility.

Since:
  1.5

- Interface Summary
  Interface | Description
  --- | ---
  Annotation | The common interface extended by all annotation types.

- Enum Summary
  Enum | Description
  --- | ---
  ElementType | The constants of this enumerated type provide a simple classification of the syntactic locations where annotations may appear in a Java program.
  RetentionPolicy | Annotation retention policy.

- Exception Summary
  Exception | Description
  --- | ---
  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).
  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).

- Error Summary
  Error | Description
  --- | ---
  AnnotationFormatError | Thrown when the annotation parser attempts to read an annotation from a class file and determines that the annotation is malformed.

- Annotation Types Summary
  Annotation Type | Description
  --- | ---
  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.
  Inherited | Indicates that an annotation type is automatically inherited.
  Native | Indicates that a field defining a constant value may be referenced from native code.
  Repeatable | The annotation type `java.lang.annotation.Repeatable` is used to indicate that the annotation type whose declaration it (meta-)annotates is repeatable.
  Retention | Indicates how long annotations with the annotated type are to be retained.
  Target | Indicates the contexts in which an annotation type is applicable.