Java Map Reverse reverse(Map source, Map target)

Here you can find the source of reverse(Map source, Map target)

Description

Take key and value pairs from source and create map from value to key in target.

License

Apache License

Declaration

public static <K, V> void reverse(Map<K, V> source, Map<V, K> target) 

Method Source Code

//package com.java2s;
/*/*from   w  w  w  .j a va2 s.c om*/
 * Copyright 2010 Workplace Systems PLC (http://www.workplacesystems.com/).
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

import java.util.Iterator;

import java.util.Map;

public class Main {
    /** Take key and value pairs from source and create map from value to key in target. */
    public static <K, V> void reverse(Map<K, V> source, Map<V, K> target) {
        Iterator<K> i = source.keySet().iterator();
        while (i.hasNext()) {
            K key = i.next();
            V value = source.get(key);
            target.put(value, key);
        }
    }
}

Related

  1. reverse(Map source, Map target)
  2. reverse(Map in)
  3. reverse(Map kvMap)
  4. reverse(Map map)
  5. reverse(Map map)
  6. reverse(Map source)
  7. reverse(Map source)
  8. reverse_map(Map map)
  9. reverse_map(Map map)