static void fillTableWithStrings(final JTable table, L<L<S>> rows, L<S> colNames) {

  fillTableWithStrings(table, rows, toStringArray(colNames));

}

// thread-safe

static void fillTableWithStrings(final JTable table, L<L<S>> rows, S... colNames) {

  final DefaultTableModel model = fillTableWithStrings_makeModel(rows, colNames);

  awtIfNecessary {

    setTableModel(table, model);

  }

}

static DefaultTableModel fillTableWithStrings_makeModel(L<L<S>> rows, S... colNames) {

  Object[][] data = new Object[rows.size()][];

  int w = 0;

  for (int i = 0; i < rows.size(); i++) {

    L<S> l = rows.get(i);

    Object[] r = new Object[l.size()];

    for (int j = 0; j < l.size(); j++)

      r[j] = l.get(j);

    data[i] = r;

    w = Math.max(w, l.size());

  }

  O[] columnNames = new O[w];

  for (int i = 0; i < w; i++)

    columnNames[i] = i < l(colNames) ? colNames[i] : "?";

  ret new DefaultTableModel(data, columnNames);

}