static void Main(string[] args) { CarCollection<Car> carCollection = new CarCollection<Car>(); Car miniVan = new Car(); miniVan.Name = "MiniVanCar1"; miniVan.ManufactureDate = DateTime.Parse("01.01.15"); Car miniCar = new Car(); miniCar.Name = "Mini"; miniCar.ManufactureDate = DateTime.Parse("10.10.10"); carCollection.Add(miniVan); carCollection.Add(miniCar); ShowCars(ref carCollection); }