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Java > Open Source Codes > org > apache > commons > collections > HashBag


1 /*
2  * Copyright 2002-2004 The Apache Software Foundation
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of 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,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 package org.apache.commons.collections;
17
18 import java.util.Collection JavaDoc;
19 import java.util.HashMap JavaDoc;
20
21 /**
22  * A {@link Bag} that is backed by a {@link HashMap}.
23  *
24  * @deprecated Moved to bag subpackage and rewritten internally. Due to be removed in v4.0.
25  * @since Commons Collections 2.0
26  * @version $Revision: 1.13 $ $Date: 2004/02/18 01:15:42 $
27  *
28  * @author Chuck Burdick
29  */
30 public class HashBag extends DefaultMapBag implements Bag {
31
32     /**
33      * Constructs an empty <Code>HashBag</Code>.
34      */
35     public HashBag() {
36         super(new HashMap JavaDoc());
37     }
38
39     /**
40      * Constructs a {@link Bag} containing all the members of the given
41      * collection.
42      *
43      * @param coll a collection to copy into this bag
44      */
45     public HashBag(Collection JavaDoc coll) {
46         this();
47         addAll(coll);
48     }
49
50 }
51
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