[명품JAVA프로그래밍] 5장 실습문제 2번

class TV {
	private int size;
	public TV(int size) {this.size = size;}
	protected int getSize() {return size;}
}


public class ColorTV extends TV {
	private int color;
	protected int getColor() {return color;}
	
	public ColorTV(int size,int color) {
		super(size);
		this.color = color;
	}
	
	void printProperty() {
		System.out.println(getSize()+"인치 "+color+"컬러");
	}

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		ColorTV myTV = new ColorTV(32,1024);
		myTV.printProperty();
	}

}


public class IPTV extends ColorTV {
	private String ip;
	public IPTV(String ip, int size, int color) {
		// TODO Auto-generated constructor stub
		super(size,color);
		this.ip = ip;
	}
	
	void printProperty() {
		System.out.println("나의 IPTV는 "+ip+"주소의 "+getSize()+"인치 "+getColor()+"컬러");
	}

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		IPTV iptv = new IPTV("192.1.1.2",32,2048);
		iptv.printProperty();
	}

}

 

결과

나의 IPTV는 192.1.1.2주소의 32인치 2048컬러