SCJP 1.6版考題 069

11. public interface Status {
12.   /* insert code here */ int MY_VALUE = 10;
13. }

 
Which three are valid on line 12? (Choose three.)
  A. final
  B. static
  C. native
  D. public
  E. private
  F. abstract
  C. protected

解答

---

Ans: A B D

解說:

Interface中的資料變數隱含為final、static及public
final是因為介面是規格，規格是不能改的
static因介面不能具現化，必然是類別的型態
public則是介面本為公開性質