Java Array Different arraysAreDifferent(String ar1[][], String ar2[][])

Description

arrays Are Different

License

Open Source License

Declaration

public static boolean arraysAreDifferent(String ar1[][], String ar2[][]) 

Method Source Code

//package com.java2s;
/************************************************************************************************
 *  _________          _     ____          _           __        __    _ _      _   _   _ ___
 * |__  / ___|__ _ ___| |__ / ___|_      _(_)_ __   __ \ \      / /_ _| | | ___| |_| | | |_ _|
 *   / / |   / _` / __| '_ \\___ \ \ /\ / / | '_ \ / _` \ \ /\ / / _` | | |/ _ \ __| | | || |
 *  / /| |__| (_| \__ \ | | |___) \ V  V /| | | | | (_| |\ V  V / (_| | | |  __/ |_| |_| || |
 * /____\____\__,_|___/_| |_|____/ \_/\_/ |_|_| |_|\__, | \_/\_/ \__,_|_|_|\___|\__|\___/|___|
 *                                                 |___/
 *
 * Copyright (c) 2016 Ivan Vaklinov <ivan@vaklinov.com>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE./* www.j  av a  2s  .  c o  m*/
 **********************************************************************************/

public class Main {
    public static boolean arraysAreDifferent(String ar1[][], String ar2[][]) {
        if (ar1 == null) {
            if (ar2 != null) {
                return true;
            }
        } else if (ar2 == null) {
            return true;
        }

        if (ar1.length != ar2.length) {
            return true;
        }

        for (int i = 0; i < ar1.length; i++) {
            if (ar1[i].length != ar2[i].length) {
                return true;
            }

            for (int j = 0; j < ar1[i].length; j++) {
                String s1 = ar1[i][j];
                String s2 = ar2[i][j];

                if (s1 == null) {
                    if (s2 != null) {
                        return true;
                    }
                } else if (s2 == null) {
                    return true;
                } else {
                    if (!s1.equals(s2)) {
                        return true;
                    }
                }
            }
        }

        return false;
    }
}