Ch7-31_추상 클래스(abstract class)

abstract class Player{
    abstract void play(int pos);
    abstract void stop();
}

class AudioPlayer extends Player{
    void play(int pos){
        System.out.println(pos + "위치부터 play합니다.");
    }
    void stop(){
        System.out.println("재생을 멈춥니다.");
    }
}
public class PlayerTest{
    public static void main(String[] args){
        Player ap = new AudioPlayer();
    ap.play(100);
    ap.stop();
    }
}