public class Parkinglot{
	public static void main(String[] args){
		Parking parking = new Parking(8,4);
		Car bus = new Bus();
		
		parking.park(bus);
	}
}

class Parking{
	private int standardLength = 1;
	private int standardWidth = 1;
	
	
	
	public  Parking(int length,int width){
		this.standardLength = length;
		this.standardWidth = width;
	}
	
	
    public void park(Car car){
		if(car.length() <= standardLength&&car.width() <= standardWidth){
			System.out.println("這個車可以停"+car);
		}else{
			System.out.println("這個車不可以停"+car);
		}
	}	
}

interface Car{   //介面
    int length();   //車的長度  寬度(單位m)
    int width();	
}


class Bus implements Car{

	public int length(){
		return 9;
	}
	public int width(){
		return 4;
	}
	public String toString(){
		return"bus length = "+this.length()+"  bus width ="+this.width();
	}
}