using System;

​

namespace ConsoleApplication14

{

    interface Ivehicle

    {

        void move();

    }

  public  class Car:Ivehicle

    {

        public void move()

        {

            Console.WriteLine("car is moving on Street");

        }

    }

 public   class Bicycle : Ivehicle

    {

        public void move()

        {

            Console.WriteLine("Bicycle is moving on Street");

        }

    }

   public class Program

    {

        static Ivehicle GetVehicle(String type)

        {

            if(type.ToLower()=="car")

            {

                return new Car();

            }

            else if (type.ToLower() == "bicycle")

            {

                return new Bicycle();

            }

            else

            {

                throw new ArgumentException("Invalid vehicle type");

            }

        }

     public   static void Main(string[] args)

        {

            Ivehicle vehicle1 = GetVehicle("car");

            Ivehicle vehicle2 = GetVehicle("bicycle");

            Console.WriteLine("first vehicle:");

            vehicle1.move();

            Console.WriteLine("\nSecond vehicle:");

            vehicle2.move();

        }

    }

}

​

​