下列选项中,()代码替换源文件Com.java中的【代码】不会导致编译错误。class A {public float getNum() {return 3.0f;}}public class B extends A {【代码】} 选项: A:public float getNum(){return 4.0f;} B: public void getNum(){ } C: public void getNum(double d){ } D: public double getNum(float d){return 4.0d;} 源文件 替换 发布时间:2024-03-31 22:15:12