if (newSelection != null)
  protected void selectedItemChanged()  {    // Fire ItemEvent to indicated that previously selected item is now    // deselected            if (selectedItemReminder != null)      fireItemStateChanged(new ItemEvent(this, ItemEvent.ITEM_STATE_CHANGED,                                         selectedItemReminder,                                         ItemEvent.DESELECTED));    // Fire ItemEvent to indicate that new item is selected        Object newSelection = getSelectedItem();    fireItemStateChanged(new ItemEvent(this, ItemEvent.ITEM_STATE_CHANGED,                                       newSelection, ItemEvent.SELECTED));    // Fire Action Event to JComboBox's registered listeners					 				     fireActionEvent();    selectedItemReminder = newSelection;  }