static void fillTableWithData(final JTable table, L<L> rows, L<S> colNames) {
  fillTableWithData(table, rows, toStringArray(colNames));
}

// thread-safe
static void fillTableWithData(final JTable table, L<L> rows, S... colNames) {
  final DefaultTableModel model = fillTableWithData_makeModel(rows, colNames);
  
  // TODO: keep model if columns identical?
  setTableModel(table, model);
}

static DefaultTableModel fillTableWithData_makeModel(L<L> rows, S... colNames) {
  Pair<Object[][], O[]> p = fillTableWithData_makeData(rows, colNames);
  ret new DefaultTableModel(p.a, p.b) {
    public Class getColumnClass(int column) {
      return or(_getClass(getValueAt(0, column)), S.class);
    }
    
    public bool isCellEditable(int rowIndex, int columnIndex) {
      ret false;
    }
  };
}

Began life as a copy of #1001438