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package java.lang.annotation;

Annotation retention policy. The constants of this enumerated type describe the various policies for retaining annotations. They are used in conjunction with the Retention meta-annotation type to specify how long annotations are to be retained.
Author: Joshua Bloch
Since:1.5
/** * Annotation retention policy. The constants of this enumerated type * describe the various policies for retaining annotations. They are used * in conjunction with the {@link Retention} meta-annotation type to specify * how long annotations are to be retained. * * @author Joshua Bloch * @since 1.5 */
public enum RetentionPolicy {
Annotations are to be discarded by the compiler.
/** * Annotations are to be discarded by the compiler. */
SOURCE,
Annotations are to be recorded in the class file by the compiler but need not be retained by the VM at run time. This is the default behavior.
/** * Annotations are to be recorded in the class file by the compiler * but need not be retained by the VM at run time. This is the default * behavior. */
CLASS,
Annotations are to be recorded in the class file by the compiler and retained by the VM at run time, so they may be read reflectively.
See Also:
  • AnnotatedElement
/** * Annotations are to be recorded in the class file by the compiler and * retained by the VM at run time, so they may be read reflectively. * * @see java.lang.reflect.AnnotatedElement */
RUNTIME }