1 /*
   2  * Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package java.lang;
  27 
  28 import java.lang.annotation.*;
  29 
  30 /**
  31  * Indicates that a method declaration is intended to override a
  32  * method declaration in a supertype. If a method is annotated with
  33  * this annotation type compilers are required to generate an error
  34  * message unless at least one of the following conditions hold:
  35  *
  36  * <ul><li>
  37  * The method does override or implement a method declared in a
  38  * supertype.
  39  * </li><li>
  40  * The method has a signature that is override-equivalent to that of
  41  * any public method declared in {@linkplain Object}.
  42  * </li></ul>
  43  *
  44  * @author  Peter von der Ah&eacute;
  45  * @author  Joshua Bloch
  46  * @jls 9.6.1.4 @Override
  47  * @since 1.5
  48  */
  49 @Target(ElementType.METHOD)
  50 @Retention(RetentionPolicy.SOURCE)
  51 public @interface Override {
  52 }