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();

        }

    }

}