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1. 14. 14. 目标 |
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Target indicates which program element(s) can be annotated using instances of the annotated annotation type.
The value of Target is one of the members of the java.lang.annotation.ElementType enum: |
- ANNOTATION_TYPE. The annotated annotation type can be used to annotate annotation type declaration.
- CONSTRUCTOR. The annotated annotation type can be used to annotate constructor declaration.
- FIELD. The annotated annotation type can be used to annotate field declaration.
- LOCAL_VARIABLE. The annotated annotation type can be used to annotate local variable declaration.
- METHOD. The annotated annotation type can be used to annotate method declaration.
- PACKAGE. The annotated annotation type can be used to annotate package declarations.
- PARAMETER. The annotated annotation type can be used to annotate parameter declarations.
- TYPE. The annotated annotation type can be used to annotate type declarations.
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You can have multiple values in the Target annotation. |
@Target(value={TYPE, FIELD, METHOD, PARAMETER, CONSTRUCTOR, LOCAL_VARIABLE}) |
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