第35題
Given:
10. public class Hello{
11. String title;
12. int value;
SCJP 6.0 認證教戰手冊 黃彬華著 碁峰出版
18
13. public Hello(){
14. title += " World";
15. }
16. public Hello(int value){
17. this.value = value;
18. title = "Hello";
19. Hello();
20. }
21. }
and:
30. Hello c = new Hello(5);
31. System.out.print(c.title);
What is the result?
(A) Hello
(B) Hello World
(C) Compilation fails.
(D) Hello World 5
(E) The code runs with no output.
F. An exception is thrown at runtime.
詳解 (共 1 筆)
未解鎖
呼叫其他建構子時不能用類別名稱 要用 t...