蔡依宸

1. import java.util.Arrays;
   
2. public class World
   
3. {
   
4.     public static void main(String args[]){
   
5.             int a[]={1,2,3,4};
   
6.             int b[][]={{1,2,3,4},{1,2,3,4},{1,2,3,4}};
   
7.             int c[][][]={{{1,2,3,4},{1,2,3,4},{1,2,3,4}},{{1,2,3,4},{1,2,3,4},{1,2,3,4}}};
   
8.             System.out.println(a.length);
   
9.             System.out.println(b.length);
   
10.             System.out.println(c.length);
    
11.     }
    
12. }

複製代碼