class App {

  private App() {
  }

  /**
   * Program entry point.
   *
   * @param args command line args
   */
  public static void main(final String[] args) {<FILL_FUNCTION_BODY>}
}

    // The captain can only operate rowing boats but with adapter he is able to
    // use fishing boats as well
    var captain = new Captain(new FishingBoatAdapter());
    captain.row();
  
<no_super_class>