Here you can find the source of copyArray(int[][] arr)
public static int[][] copyArray(int[][] arr)
//package com.java2s; /*//from w ww. ja va 2 s .co m TruPax Copyright (C) 2015 CODERSLAGOON TruPax is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. TruPax 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 General Public License for more details. You should have received a copy of the GNU General Public License along with TruPax. If not, see http://www.gnu.org/licenses/. */ public class Main { public static int[][] copyArray(int[][] arr) { int[][] result = new int[arr.length][]; for (int i = 0, c = result.length; i < c; i++) { result[i] = arr[i].clone(); } return result; } }