package com.Summer_0421.cn;import java.lang.reflect.Array;import java.util.Arrays;/** * @author Summer * 二维数组遍历的方式for普通循环和foreach循环、toString遍历 */public class Test03 {    public static void main(String[] args) {        show1();        show2();        show3();    }    private static void show3() {        int[][] its = new int[][]{
   {1},{1,2},{1,2,3},{1,2,3,4}};        for (int i = 0; i < its.length; i++) {            System.out.println(Arrays.toString(its[i]));        }            }    private static void show2() {        int[][] its = new int[][]{
   {1},{1,2},{1,2,3},{1,2,3,4}};        for (int[] is : its) {            for (int i : is) {                System.out.print(i+" ");            }            System.out.println();        }    }    private static void show1() {        int[][] its = new int[][]{
   {1},{1,2},{1,2,3},{1,2,3,4}};        for (int i = 0; i < its.length; i++) {            for (int j = 0; j < its[i].length; j++) {                System.out.print(its[i][j]+" ");            }            System.out.println();        }    }    }