SCJP 1.6版考題 098
出自 陳富國維基館
15. public class Yippee{
16. public static void main(String[] args){
17. for(int x = 1; x < args.length; x++){
18. System.out.print(args[x] + " ");
19. }
20. }
21. }
and two separate command line invocations:
java Yippee
java Yippee 1 2 3 4
What is the result?
A. No output is produced.
1 2 3
B. No output is produced.
2 3 4
C. No output is produced.
1 2 3 4
D. An exception is thrown at runtime.
1 2 3
E. An exception is thrown at runtime.
2 3 4
F. An exception is thrown at runtime
1 2 3 4
解答
Ans: B
解說:
第一次執行，沒有參數，args.length=0，for迴圈不會跑 第二次執行，有4個參數，args.length=4，for迴圈從1~3，印args[1]~args[3]
| ||||||||||||||||||||
