Here you can find the source of cloneMatrix(int[][] m)
public static int[][] cloneMatrix(int[][] m)
//package com.java2s; /**/*from www . j av a 2s. co m*/ * * Copyright 2017 Florian Erhard * * 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. * */ public class Main { public static int[][] cloneMatrix(int[][] m) { int[][] re = new int[m.length][]; for (int i = 0; i < re.length; i++) re[i] = m[i].clone(); return re; } public static double[][] cloneMatrix(double[][] m) { double[][] re = new double[m.length][]; for (int i = 0; i < re.length; i++) re[i] = m[i].clone(); return re; } }