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package Java0323.Lecture12.inter01;

public class UserMain {

	public static void main(String[] args) {
		
		SamsungTV sam = new SamsungTV();
		sam.powerOn();
		sam.volumeUp();
		sam.volumeDown();
		sam.channelDown();
		sam.channelUp();
		sam.powerOff();
		
		LGTV lg = new LGTV();
//		lg.powerOn();
		lg.turnOn();
//		lg.volumeUp();
		lg.soundUp();
//		lg.volumeDown();
		lg.soundDown();
		lg.channelDown();
		lg.channelUp();
//		lg.powerOff();
		lg.turnOff();

	}

}

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package Java0323.Lecture12.inter01;

public class SamsungTV {

	private boolean power;
	private int channelNo;
	private int volumeSize;
	
	public SamsungTV() {
		power = false;
		channelNo = 3;
		volumeSize = 6;
		System.out.println("삼성TV 하나를 구입하였습니다.");
	}
	
	public void powerOn() {
		System.out.println("전원을 켭니다.");
	}
	
	public void powerOff() {
		System.out.println("전원을 끕니다.");
	}
	
	public void channelUp() {
		System.out.println("채널을 올립니다.");
	}
	
	public void channelDown() {
		System.out.println("채널을 내립니다.");
	}
	
	public void volumeUp() {
		System.out.println("볼륨을 올립니다.");
	}
	
	public void volumeDown() {
		System.out.println("볼륨을 내립니다.");
	}	
}

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package Java0323.Lecture12.inter01;

public class LGTV {

	public LGTV() {
		System.out.println("LGTV를 구매하였습니다.");
	}
	
	public void turnOn() {
		System.out.println("TV전원 ON");
	}
	
	public void turnOff() {
		System.out.println("TV전원 OFF");
	}
	
	public void channelUp() {
		System.out.println("Channel Up...");
	}
	
	public void channelDown() {
		System.out.println("Channel Down...");
	}
	
	public void soundUp() {
		System.out.println("Sound Up...");
	}
	
	public void soundDown() {
		System.out.println("Sound Down...");
	}	
}