问题:
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);}
Which two, independently, will allow Sub to compile?()
● 参考解析
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