Java Array Hash Code hashCode(Map a)

Description

Implements hashCode for map of string arrays The map of string arrays does't work with hashCode.

License

Apache License

Declaration

public static int hashCode(Map<String, String[]> a) 

Method Source Code

//package com.java2s;
/*/* w  w w. j  a v a 2s  .  co  m*/
 * Licensed to Elasticsearch under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch licenses this file to you 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.Arrays;
import java.util.Map;

public class Main {
    /**
     * Implements hashCode for map of string arrays
     *
     * The map of string arrays does't work with hashCode.
     */
    public static int hashCode(Map<String, String[]> a) {
        int hash = 0;
        for (Map.Entry<String, String[]> entry : a.entrySet())
            hash += Arrays.hashCode(entry.getValue());
        return hash;
    }
}

Related

1. deepHash(Object[] t)
2. deepHashCode(double[][] matrix)
3. hashCode(byte[] bytes)
4. hashCode(byte[] obj)
5. hashCode(final Object[] array1)
6. hashCode(Object array)
7. hashCode(Object array)
8. hashCode(String[] names, Object[] values)
9. printArray(byte[] array, boolean withHash)