package javaStudy;
public class LedTV implements TV { ---①

    @Override
    public void turnOn() {
        // TODO Auto-generated method stub
    }

    @Override
    public void turnOff() {
        // TODO Auto-generated method stub
    }

    @Override
    public void changeVolume(int volume) {
        // TODO Auto-generated method stub
    }

    @Override
    public void changeChannel(int channel) {
        // TODO Auto-generated method stub
    }
}