問題詳情
第18題Given:1. class Super{2. private int a;3. protected Super(int a){this.a = a;}4. }...11. class Sub extends Super{12. public Sub(int a){super(a);}13. public Sub(){this.a = 5;}14. }Which two, independently, will allow Sub to compile? (Choose two.)
(A) Change line 2 to:public int a;
(B) Change line 2 to:protected int a;
(C) Change line 13 to:public Sub(){this(5);}
(D) Change line 13 to:public Sub(){super(5);}
(E) Change line 13 to:public Sub(){super(a);}
參考答案
答案：C,D
難度：適中0.493333
統計：A(9),B(16),C(81),D(81),E(8)