package com.loveCoding.j20250524_method; /** * @author WanJl * @version 1.0 * @title Demo01 * @description * @create 2025/5/24 */ public class Demo01 { public static void main(String[] args) { int[][] arr=new int[2][3]; arr[0]=new int[]{1,6,4,8,7,9,1,1,6,4,7}; for (int i = 0; i < arr.length; i++) { for (int j = 0; j < arr[i].length; j++) { System.out.print(arr[i][j]+"\t"); } System.out.println(); } //数组是一个引用类型 int[] arr1=new int[10]; arr1=new int[20]; } }