1
public class A {
float computer(float x,float y){ return x+y; } } 2
public class B extends A{
float computer(float x,float y){ return x*y; } } 3
public class tyt {
public static void main(String[] args) { A aa=new A();
aa.computer(4, 8); B bb=new B();
bb.computer(8, 2);
System.out.print(aa.computer(4,8)); System.out.print(bb.computer(8, 2));
} }
