Java Map Copy copy(Map master, Map slave)

Description

copy

License

Open Source License

Declaration

public static void copy(Map master, Map slave) 

Method Source Code

//package com.java2s;
/**//from ww  w. ja  v a2  s  .com
 * Copyright (c) 2000-2005 Liferay, LLC. All rights reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */

import java.util.Iterator;
import java.util.Map;

public class Main {
    public static void copy(Map master, Map slave) {
        slave.clear();

        Iterator itr = master.entrySet().iterator();

        while (itr.hasNext()) {
            Map.Entry entry = (Map.Entry) itr.next();

            Object key = entry.getKey();
            Object value = entry.getValue();

            slave.put(key, value);
        }
    }
}

Related

1. copy(final Map source)
2. copy(Map dest, Map src)
3. copy(Map to, Map from, Object keys[])
4. copy(Map src, Map propertyRef)
5. copy(Map> original)
6. copy(Map map)