Java Hash Calculate hashArray(Object[] objs)

Description

hash Array

License

Open Source License

Declaration

public static int hashArray(Object[] objs) 

Method Source Code

//package com.java2s;
/* Soot - a J*va Optimization Framework
 * Copyright (C) 2007 Manu Sridharan/*from www.  j  a v  a 2s.c  o m*/
 *
 * 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.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

public class Main {
    /**
     * @return
     */
    public static int hashArray(Object[] objs) {
        // stolen from java.util.AbstractList
        int ret = 1;
        for (int i = 0; i < objs.length; i++) {
            ret = 31 * ret + (objs[i] == null ? 0 : objs[i].hashCode());
        }
        return ret;

    }
}

Related

1. hashAdd(final int left, final int right)
2. hashAll(Object[] array)
3. hasHangulJongSung(char ch)
4. hashArray(int h, Object[] a)
5. hashArray(Object[] array)
6. hashBerkeleyDB64(byte[] str)
7. hashByteArray(byte[] array, int startInclusive, int endExclusive)
8. hashBytes(int seed, byte[] data, int offset, int len)
9. hashCapacityForSize(final int size)