public Client()
{
CarFactory factory = new FactoryRayHorses();
SportCar sportCar = factory.CreateSportCar();
NormalCar normalCar = factory.CreateNormalCar();
sportCar.ShowSportCar();
normalCar.ShowNormalCar();
factory = new FactoryThunderHorses();
sportCar = factory.CreateSportCar();
normalCar = factory.CreateNormalCar();
sportCar.ShowSportCar();
normalCar.ShowNormalCar();
}