listSelectionModel=table.getSelectionModel();
listSelectionModel.addListSelectionListener( new  SharedListSelectionHandler());
table.setSelectionModel( listSelectionModel);

 class  SharedListSelectionHandler  implements  ListSelectionListener {
         public   void  valueChanged(ListSelectionEvent e)
        {
          int  i;
               int  minIndex = lsm.getMinSelectionIndex();
               int  maxIndex = lsm.getMaxSelectionIndex();
               for  (i = minIndex; i <= maxIndex; i++)
              {
                     if  (lsm.isSelectedIndex(i))
                    {
                            //тут реализуешь то, что надо сделать
		    }
		}
        }