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多选题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

题目
多选题
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?()
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); }

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