Java > Open Source Codes > java > util > Map


1   /*
2    * Copyright 2006 Google Inc.
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License"); you may not
5    * use this file except in compliance with the License. You may obtain a copy of
6    * the License at
7    * 
8    * http://www.apache.org/licenses/LICENSE-2.0
9    * 
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13   * License for the specific language governing permissions and limitations under
14   * the License.
15   */
16  package java.util;
17  
18  /**
19   * Abstract interface for maps.
20   */
21  public interface Map {
22  
23    /**
24     * Represents an individual map entry.
25     */
26    public static interface Entry {
27      boolean equals(Object   o);
28  
29      Object   getKey();
30  
31      Object   getValue();
32  
33      int hashCode();
34  
35      Object   setValue(Object   value);
36    }
37  
38    void clear();
39  
40    boolean containsKey(Object   key);
41  
42    boolean containsValue(Object   value);
43  
44    Set   entrySet();
45  
46    boolean equals(Object   o);
47  
48    Object   get(Object   key);
49  
50    int hashCode();
51  
52    boolean isEmpty();
53  
54    Set   keySet();
55  
56    Object   put(Object   key, Object   value);
57  
58    void putAll(Map   t);
59  
60    Object   remove(Object   key);
61  
62    int size();
63  
64    Collection   values();
65  }
66
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