SCJP題庫第112題

Given:

12. public class Test{

13.   public enum Dogs{collie, harrier);

14.   public static void main(String[] args){

15.     Dogs myDog = Dogs.collie;

16.     switch(myDog){

17.     case collie:

18.         System.out.print("collie ");

19.     case harrier:

20.         System.out.print("harrier ");

21.     }

22.   }

23. }

What is the result?

A. collie

B. harrier

C. Compilation fails.

D. collie harrier

E. An exception is thrown at runtime.

 

Ans: D

 

解說:

myDog = Dogs.collie，所以會進入case collie執行，只是此case沒有設break，後面的case會跟著執行