Reverse an array. - Java Collection Framework

Java examples for Collection Framework:Array Reverse

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Description

Reverse an array.

Demo Code

/**/*  w  w w .j  a  v  a2 s.  co  m*/
 * Copyright (C) 2011 NetMind Consulting Bt.
 *
 * 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 3 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
 */
//package com.java2s;

public class Main {
    public static void main(String[] argv) throws Exception {
        byte[] b = new byte[] { 34, 35, 36, 37, 37, 37, 67, 68, 69 };
        System.out.println(java.util.Arrays.toString(reverse(b)));
    }

    /**
     * Reverse an array.
     */
    public static byte[] reverse(byte[] b) {
        byte[] b2 = new byte[b.length];
        for (int i = 0; i < b.length; i++)
            b2[b.length - 1 - i] = b[i];
        return b2;
    }
}

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