10/27 수업 is-a / has-a 🚗🚒🚑

is-a: 상속
has-a: ~은 ~을 가지고 있다

class Car {
	private String maker;
    private int price;
    private Engine engine; // car has-a Engine
    private Point location; // car has-a Point
    public Car(String maker, int price, Engine engine, Point location) {
    	setMaker(maker);
        setPrice(price);
        setEngine(engine);
        setLocation(location);
   }
   public String getMaker() {
   		return maker;
   }
   public int getPrice() {
   		return price;
   }
   public Engine getEngine() {
   		return engine;
   }
	public Point getLocation() {
    	return location;
   }
   	public void setMaker(String maker) {
		this.maker = maker;
    }
	public void setPrice(int price) {
    	this.price = price;
    }
    public void setEngine(Engine engine) {
    	this.engine = engine;
    }
    public void setLocation(Point location) {
    	this.location = location;
    }
    @Override
    public String toString() {
    	String info = "maker : " + maker + "\n";
        info += "price: " + price + "\n";
        info += "engine: " + engine + "\n";
        info += "location: " + location + "\n";
        return info;
    }
    public void drive(Point goal) {
    	System.out.println(goal + "로 이동합니다.");
        engine.startEngine();
        setLocation(goal);
    }
}
class Ship {
	private Engine engine;
    private Point location;
}
class Point {
	private int x;
    private int y;
    public Point(int x, int y) {
    	setX(x);
        setY(y);
    }
    public int getX() {
    	return x;
    }
    public int getY() {
    	return y;
    }
    public void setX(int x) {
    	this.x = x;
    }
    public void setY(int y) {
    	this.y = y;
    }
    @Override
    public String toString() {
    	return x + ", " + y;
    }
}
class Engine {
	private int cc;
    private int ps;
    public Engine(int cc, int ps) {
    	set(cc);
        set(ps);
}
	public int getCc() {
    	return cc;
    }
	public int getPs() {
    	return ps;
    }
    public void setCc(int cc) {
    	this.cc = cc;
    }
    public void setPs(int ps) {
    	this.ps = ps;
    }
    
    public void startEngine() {
    	System.out.println("시동을 겁니다.");
    }
    @Override
    public String toString() {
    	return cc + "cc," + ps + "ps";
    }
    
class UseCar {
	public static void main(Strign[] arsg) {
    	Car c = new car("Benz", 1000000, new Engine(5000, 400), new Point(0,0));
        c.drive(new Point(100, 100));
        
        System.out.println(c);
    }
}