Java Map Join join(final Map map1, final Map map2, final Map... maps)

Description

join

License

Open Source License

Declaration

@SafeVarargs
    public static <K, V> Map<K, V> join(final Map<? extends K, ? extends V> map1,
            final Map<? extends K, ? extends V> map2, final Map<? extends K, ? extends V>... maps) 

Method Source Code

//package com.java2s;
/**/* www.j  a v  a 2  s  .c o  m*/
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

import java.util.HashMap;
import java.util.Map;

public class Main {
    @SafeVarargs
    public static <K, V> Map<K, V> join(final Map<? extends K, ? extends V> map1,
            final Map<? extends K, ? extends V> map2, final Map<? extends K, ? extends V>... maps) {

        return new HashMap<K, V>() {
            {
                putAll(map1);
                putAll(map2);

                for (Map<? extends K, ? extends V> map : maps) {
                    putAll(map);
                }
            }
        };
    }
}

Related

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2. join(final Map add, final Map... imports)
3. join(List> list)
4. Join(Map map, String entryGlue, String elementGlue)
5. join(Map dst, Map src)