请写出类E的执行结果。class A{ double f(double x,double y){ return x*y;}}class B extends A{ double f(int x,int y){ return x+y; }}public class E{ public static void main(String args[]){ B b = new B(); System.out.println(b.f(5.0,15.0)); }}
发布时间:2024-04-10 11:22:35