try { stat.executeUpdate("INSERT INTO test VALUES ( " + rule_no.getValue()+","+ protocol.getSelectedItem()+","+ s_ip.getSelectedItem()+","+ s_port.getSelectedItem()+","+ d_ip.getSelectedItem()+","+ d_port.getSelectedItem()+","+ action.getSelectedItem()+")"); } catch (SQLException ex) { Logger.getLogger(ruleset.class.getName()).log(Level.SEVERE, null, ex); } the above code is giving following ...