public class A {  String name = "A";  String getName(){   return name;  }  String greeting(){   return "class A";  } } class B extends A{  String name="B";  String greeting(){    return "class B";  } } public class Client{  public static void main(String [] args){   A a= new A();   B b= new B();   System.out.println(a.greeting() + " has name " + a.getName());   System.out.println(b.greeting() + " has name " + b.getName());  } }