using System;

public class Program

{

    public static void Main()

    {

        Car car = new Ford();

        car.Move();

        car.Stop();

    }

}

​

​

public class Car {

    public virtual void Move() 

    {

        Console.WriteLine("Move Car");

    }

    public void Stop()

    {

        Console.WriteLine("Stop car");

    }

}

​

public class Ford : Car

{

    public override void Move()

    {

        Console.WriteLine("Move Ford");

    }

    public new void Stop()

    {

        Console.WriteLine("Stop Ford"); 

    }

}