Java Hash Code Calculate hashCode(int[] a)

Description

hash Code

License

Apache License

Declaration

public static int hashCode(int[] a) 

Method Source Code

//package com.java2s;
/**/*from   w  w w.j  a  v  a2 s  . c om*/
 * 
 *    Copyright 2017 Florian Erhard
 *
 *   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.
 * 
 */

public class Main {
    public static int hashCode(int[] a) {
        if (a == null)
            return 0;

        int result = 1;
        for (int element : a)
            result = (31 * result + element) ^ result;

        return result;
    }
}

Related

1. hashCode(int mul, Object obj)
2. hashCode(int num)
3. hashCode(int previous, boolean x)
4. hashCode(int result, Object obj)
5. hashCode(int val)
6. hashCode(int[] ai)
7. hashCode(int[] array)
8. hashCode(int[][] arrays)
9. hashCode(Iterable iterable)