private void fillMonths() {
    DateFormatSymbols dateFormatSymbols = new DateFormatSymbols(Locale.getDefault());

    for (int i = Calendar.JANUARY; i <= Calendar.DECEMBER; i++)
      myMonths.addItem(dateFormatSymbols.getMonths()[i]);

    myMonths.addActionListener(new ActionListener() {
      @Override
      public void actionPerformed(ActionEvent e) {
        refresh();
      }
    });
  }
private void fillMonths()