题目内容
请写出E类中【代码1】,【代码2】的输出结果。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(3,5)); //【代码1】System.out.println(b.f(3.0,5.0)); //【代码2】}}
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