沙芃妘

1. public class Ch30 {
   
2. 
   
3.         public static void main(String[] args)
   
4.         {
   
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.         }
    
13. }

複製代碼