package com.xuyigang1234.chp01;

public class Defmo6 {
    public static void main(String[] args) {
        //定義二維數組 並 靜態初始化
        int [][]arr=new int[][]{{1,2,3},{4,5,6},{7,8,9}};
        
       for(int i=0;i<arr.length;i++){
           for(int j=0;j<arr[i].length;j++){
               System.out.print(arr[i][j]
 
+" ");
           }
           System.out.println();
       }
       System.out.println("+++++++++++++++++++++++++++++");
     //定義二維數組 並 動態初始化
       int arr1[][]=new int[3][3];
        arr1[1][2]=4; //賦值
       for(int i=0;i<arr1.length;i++){
           for(int j=0;j<arr1[i].length;j++){
               System.out.print(arr1[i][j]
 
+" ");
           }
           System.out.println();
       }
    }

}

Java 數組 二維數據以及多維數組