Edit C:\Program Files\Java\jdk1.8.0_121\java\lang\annotation\Target.java

/*
 * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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package java.lang.annotation;

/**
 * Indicates the contexts in which an annotation type is applicable. The
 * declaration contexts and type contexts in which an annotation type may be
 * applicable are specified in JLS 9.6.4.1, and denoted in source code by enum
 * constants of {@link ElementType java.lang.annotation.ElementType}.
 *
 * If an {@code @Target} meta-annotation is not present on an annotation type
 * {@code T} , then an annotation of type {@code T} may be written as a
 * modifier for any declaration except a type parameter declaration.
 *
 * If an {@code @Target} meta-annotation is present, the compiler will enforce
 * the usage restrictions indicated by {@code ElementType}
 * enum constants, in line with JLS 9.7.4.
 *
 * For example, this {@code @Target} meta-annotation indicates that the
 * declared type is itself a meta-annotation type. It can only be used on
 * annotation type declarations:
 * <pre>
 * &#064;Target(ElementType.ANNOTATION_TYPE)
 * public &#064;interface MetaAnnotationType {
 * ...
 * }
 * </pre>
 *
 * This {@code @Target} meta-annotation indicates that the declared type is
 * intended solely for use as a member type in complex annotation type
 * declarations. It cannot be used to annotate anything directly:
 * <pre>
 * &#064;Target({})
 * public &#064;interface MemberType {
 * ...
 * }
 * </pre>
 *
 * It is a compile-time error for a single {@code ElementType} constant to
 * appear more than once in an {@code @Target} annotation. For example, the
 * following {@code @Target} meta-annotation is illegal:
 * <pre>
 * &#064;Target({ElementType.FIELD, ElementType.METHOD, ElementType.FIELD})
 * public &#064;interface Bogus {
 * ...
 * }
 * </pre>
 *
 * @since 1.5
 * @jls 9.6.4.1 @Target
 * @jls 9.7.4 Where Annotations May Appear
 */
@Documented
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.ANNOTATION_TYPE)
public @interface Target {
 /**
 * Returns an array of the kinds of elements an annotation type
 * can be applied to.
 * @return an array of the kinds of elements an annotation type
 * can be applied to
 */
 ElementType[] value();
}

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