setLayout(null);
  void init()  {    dragEnabled = false;    fixedCellHeight = -1;    fixedCellWidth = -1;    layoutOrientation = VERTICAL;    opaque = true;    valueIsAdjusting = false;    visibleRowCount = 8;    cellRenderer = new DefaultListCellRenderer();    listListener = new ListListener();    setModel(new DefaultListModel());    setSelectionModel(createSelectionModel());    setSelectionMode(ListSelectionModel.SINGLE_SELECTION);    updateUI();  }