现有如下代码class Super{ public float getNum(){return 3.0f;} } public class Sub extends Super{ //【代码】} 在【代码】标注行加入下列哪行代码后会导致程序编译错误
选项:
A:public float getNum(){return 4.0f;}
B:public void getNum(){}
C:public void getNum(double){}
D:public double getNum(float d){return 4.0d;}
发布时间:2024-03-31 19:49:34