static void Main(string[] args)
{
Car car = new Car();
IDriver driver = (IDriver)car;
IMechanical mechanical = (IMechanical)car;
driver.Drive();
mechanical.Maintain();
DriveACar(car);
MaintainCar(car);
}
//自動車をメンテナンスする
static void MaintainACar(IMechanical car)
{
//car.Drive();
car.Maintain();
}
static void MaintainCar(IMechanical mechanical)
{
mechanical.Maintain();
}
static void MaintainACar(IMechanical im)
{
im.Maintain();
}