compare two byte array by index offset - Android File Input Output

Android examples for File Input Output:Byte Array

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Description

compare two byte array by index offset

Demo Code

/*/*from   w  ww .  ja  v  a  2s .  c  o m*/
 * @(#)$Id: ArrayUtils.java 3619 2008-03-26 07:23:03Z yui $
 * 
 * Copyright 2006-2008 Makoto YUI
 * 
 * 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.
 * 
 * Contributors: Makoto YUI - ported from jakarta commons lang
 */
//package com.java2s;

public class Main {
    public static int compare(final byte[] b1, final int off1,
            final int len1, final byte[] b2, final int off2, final int len2) {
        for (int i = 0; i < len1 && i < len2; i++) {
            final int d = (b1[off1 + i] & 0xFF) - (b2[off2 + i] & 0xFF);
            if (d != 0) {
                return d;
            }
        }
        return len1 - len2;
    }
}

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