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Retention (Java Platform SE 6) - JDK 5 Documentation v6.0, Java 2 SDK 英文文档

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java.lang.annotation
Annotation Type Retention

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@Documented
@Retention(value=RUNTIME)
@Target(value=ANNOTATION_TYPE)
public @interface Retention

Indicates how long annotations with the annotated type are to be retained. If no Retention annotation is present on an annotation type declaration, the retention policy defaults to RetentionPolicy.CLASS.

A Target meta-annotation has effect only if the meta-annotated type is use directly for annotation. It has no effect if the meta-annotated type is used as a member type in another annotation type.

Since:

1.5

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Required Element Summary
RetentionPolicy	value

 

Element Detail

value

public abstract RetentionPolicy value

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For further API reference and developer documentation, see Java SE Developer Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.

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