public void tableChanged(javax.swing.event.TableModelEvent tme) { DefaultTableModel tm = (DefaultTableModel) tme.getSource(); int col = tme.getColumn(); int row = tme.getFirstRow(); String valCel = (String) tm.getValueAt(tme.getFirstRow(), 0); if (tme.getType() == 0 && (col == 2 || col == 3)) { calculaSumas(); } }