有如下java代码:class super{public float getNum(){return 3.0f;}}public class sub extends super{_______}横线处填入下面那一条语句不会报错______A:public float getNum(){return 4.0f;}B:public void getNum(){}C:void getNum(double d) {}D:public double getNum(float d) { return 4.0f;} 不会 代码 发布时间:2024-03-31 19:49:34