static void Main(string[] args) { // This is to show how to add Dll library usually // creating instance of sport car SportCar sportcar = new SportCar("Viper", 240, 40); sportcar.Acceleration(); // creating instance of minivan MiniVan minivan = new MiniVan(); minivan.Acceleration(); // go to next project to see how we can use the same assembly using reflection methods Console.ReadKey(); }