Given:<br /> <img src="https://img.ppkao.com/2018-08/wenxueying/2018080110153257437.png" /><br /> Which two, independently, will allow Sub to compile?()<p> Given:<br /> <img src="https://img.ppkao.com/2018-08/wenxueying/2018080110153257437.png" /><br /> Which two, independently, will allow Sub to compile?()</p>
A、A.Change line 2 to:public int a;
B、B.Change line 2 to:protected int a;
C、C.Change line 13 to:public Sub() { this(5); }
D、D.Change line 13 to:public Sub() { super(5); }