Here you can find the source of copyArray(int[][] links, int rowNum, int columnNum)
public static int[][] copyArray(int[][] links, int rowNum, int columnNum)
//package com.java2s; /**//from w w w . j a v a2 s.c o m * Copyright (c) 2016-2020 Weibo, Inc. * All rights reserved. * * This software is the confidential and proprietary information of Weibo, * Inc. ("Confidential Information"). You shall not * disclose such Confidential Information and shall use it only in * accordance with the terms of the license agreement you entered into with Weibo. */ public class Main { public static int[][] copyArray(int[][] links, int rowNum, int columnNum) { int[][] result = new int[rowNum][columnNum]; for (int i = 0; i < rowNum; ++i) { for (int j = 0; j < columnNum; ++j) { result[i][j] = links[i][j]; } } return result; } }