static void SampleInternal()
{
handler.ParkVehicle(new Motorcycle("MCA829", 2, "Green", 750));
handler.ParkVehicle(new Airplane("AAA010", 8, "White", 4));
handler.ParkVehicle(new Car("CAR321", 4, "Blue", "Diesel"));
handler.ParkVehicle(new Motorcycle("BRM840", 2, "Svart", 754));
handler.ParkVehicle(new Boat("OOS005", 0, "Green", 12.4));
handler.ParkVehicle(new Bus("MMM888", 6, "Brown", 24));
handler.ParkVehicle(new Boat("AAA020", 0, "Red", 12.2));
handler.ParkVehicle(new Car("SOS505", 3, "Yellow", "Diesel"));
handler.ParkVehicle(new Airplane("ARN747", 8, "Orange", 4));
}