Portfolio


public class Character {
	
	String position;

	public Character(String position) {
		this.position = position;
	}

	public String attack() {
			if (position == "검사") {
				return "칼로 휘두른다.";
			} else {
				return "활을 쏜다.";
			}
	}

}


public abstract class Character {
		public abstract String attack();
}

public class Warrior extends Character {
		public String attck() {
			return "칼을 휘두른다.";
		}
}

public class Archer extends Character {
		public String attck() {
				return "활을 쏜다.";
		}
}


public abstract class Character {
		public abstract String attack();
}

public class Thief extends Character {
		public String attck() {
			return "표창을 날린다.";
		}
}



public class Rectangle {
    int width;
    int height;
    
    public int getWidth() {
        return width;
    }
    
    public int getHeight() {
        return height;
    }
    
    public void setWidth(int width) {
        this.width = width;
    }
    
    public void setHeight(int height) {
        this.height = height;
    }
    
    public int getArea() {
        return width * height;
    }
}

public class Square extends Rectangle {

    @Override
    public void setWidth(int width) {
        super.setWidth(width);
        super.setHeight(getWidth());
    }
    
    @Override
    public void setHeight(int height) {
        super.setHeight(height);
        super.setWidth(getHeight());
    }
}

// 50
Rectangle rectangle = new Rectangle();
rectangle.setWidth(10);
rectangle.setHeight(5);

// 25
Rectangle rectangle = new Square();
rectangle.setWidth(10);
rectangle.setHeight(5);


public class MacMini {
	
	private final 키크론키보드_K3 키보드;
	private final 로지텍마우스_XXX 마우스;

	public MacMini() {
		키보드 = new 키크론키보드_K3();
		마우스 = new 로지텍마우스_XXX();
	}	

}


public interface Keyboard { }

public interface Mouse { }

public class Keychron implements Keyboard { }

public class Hhkb implements Keyboard { }

public class Logitech implemets Mouse { }

public class Trakpad implements Mouse { }

public class MacMini {
	
	private final Keyboard keyboard;
	private final Mouse mouse;

	public MacMini(Keyboard keyboard, Mouse mouse) {
		this.keyboard = keyboard;
		this.mouse = mouse;
	}	

}

MacMini macmini = new MacMini(new Keychron(), new Logitech());
MacMini macmini = new MacMini(new Hhkb(), new Trakpad());