using System;

public class Name

{

    public void Yashmeen()

    {

        Console.WriteLine("Hello Dear Yashu");

    }

    public  virtual void yashu() 

    {

        Console. WriteLine("How are you Dear") ;

    }

​

class  Nawaz :  Name

{

  //public void Jahan() 

 // {

 // Console.WriteLine("How are you ") ;

   //}

   public override void yashu () 

    {

    Console.WriteLine(" Where are you from ") ;

     }

}

public static void Main() 

{

    //Nawaz n=new Nawaz() ;

    Name n=new Name() ;

    n. Yashmeen () ;

    n.yashu() ;

    //n. Jahan() ;

}

}

​

​