class i1
{
     void hello(String s)
    {
        System.out.println(s);
    }
}

class j1 extends i1{
     void hello(String s)
    {
        super.hello(s);
        System.out.println(s);
    }
}

class k1 extends j1{
     void hello(String s)
    {
        super.hello(s);
        System.out.println(s);
    }
}

public class overload {

    public static void main(String[] args)
    {
        //referance and instace both are same i1

        i1 obj1=new i1();
       // obj1.hello("vaghela ajitkumar");

        //object same just change the  instance is j1

        //obj1=new j1();
       // obj1.hello("vaghela ajitkumar");

        //object same just change the instance is k1

        obj1=new k1();
        obj1.hello("goverment engineering collage rajkot");


    }
}