在sub子类当中写如下哪个方法将产生编译期错误?(2分)class Super{public float getNum(){ return 3.2f;}}public class Sub extends Super{//写方法}A:public float getNum(){return 4.0f;}B:public void getNum(){}C:void getNum(double d){}D:public double getNum(float d){return 4.0d;} 错误 产生 方法 发布时间:2024-03-31 19:49:34