static void Main(string[] args) { Car car = new Car(2017, "Ford"); while (true) { Console.Write("1.Accelerate\n2.Brake\nEnter 1 ,2 or any key to Exit > "); switch (Console.ReadLine()) { case "1": car.Accelerate(); break; case "2": car.Brake(); break; default: Environment.Exit(0); break; } } }