public virtual IVehicle CreateCoupe()
{
if (coupe == null)
{
coupe = new Coupe(new StandardEngine(1300));
}
return((IVehicle)coupe.Clone());
}
public VehicleManager()
{
saloon = new Saloon(new StandardEngine(1300));
coupe = new Coupe(new StandardEngine(1300));
sport = new Sport(new StandardEngine(1300));
boxVan = new BoxVan(new StandardEngine(1300));
pickup = new PickUp(new StandardEngine(1300));
}