stratery-pattern.cs

class Vehicle
    {
      public void Go()
          {
              Console.WriteLine("I'm driving");
          } 
    }

    class Car : Vehicle {}
    class Helicopter : Vehicle {}
    class Program
    {
        static void Main(string[] args)
        {
            Car car = new Car();
            Helicopter heli = new Helicopter();
            car.Go();
            heli.Go();
            Console.ReadLine();
        }
    }