orphans = findOrphans(); System.out.println(orphans.getNoOfTracks() + " orphans");
userList.discardAll();
  public MasterDatabase(File file, UserList userList) throws IOException {    super(file);    this.userList = userList;          // Find the compulsory tracks    ServerDatabase compulsory = getCompulsory();    compulsoryTracks = compulsory.getTracks();      // Find the orphans    System.out.println("Finding orphans");    orphans = findOrphans();    System.out.println(orphans.getNoOfTracks() + " orphans");  }