import java.util.ArrayList; public class CD extends Audio { ArrayList tracks = new ArrayList<>(); public CD(String code, double price, String title, ArrayList tracks) { super(code, price, title); this.tracks = tracks; } @Override void print() { System.out.println("Title: " + title); System.out.println("Code: " + super.code + "\nPrice: " + super.price); for (String string : tracks) { System.out.println(string); } } void playTrack() { int i = 1; for (String string : tracks) { System.out.println("Play track " + i + " " + string + " der CD " + title); i++; } } }