equals between two byte array - Java java.lang

Java examples for java.lang:byte Array Compare

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Description

equals between two byte array

Demo Code

/* ***** BEGIN LICENSE BLOCK *****
 * Version: MPL 1.1/GPL 2.0/LGPL 2.1/*from w w  w  . ja  v a 2 s.co  m*/
 *
 * The contents of this file are subject to the Mozilla Public License Version
 * 1.1 (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.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 *
 * The Original Code is FirefoxSyncEasySetupDemo.
 *
 * The Initial Developer of the Original Code is
 * the Mozilla Foundation.
 * Portions created by the Initial Developer are Copyright (C) 2011
 * the Initial Developer. All Rights Reserved.
 *
 * Contributor(s):
 *  Yuan Xulei <xyuan@mozilla.com>
 *
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *
 * ***** END LICENSE BLOCK ***** */
//package com.java2s;

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

    public static boolean equals(byte[] a, byte[] b) {
        if (a == b)
            return true;
        if (a == null || b == null)
            return false;
        int length = a.length;
        if (length != b.length)
            return false;
        for (int i = 0; i < length; i++) {
            if (a[i] != b[i])
                return false;
        }
        return true;
    }
}

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