In javax.swing.table.TableRowSorter class description there is written:
 33 * <pre>
 34 * int[] selection = table.getSelectedRows();
 35 * for (int i = 0; i *<* selection.length; i++) {
 36 * selection[i] = table.convertRowIndexToModel(selection[i]);
 37 * }
 38 * </pre>

In javax.swing.JTable class description there is written:

128 * <pre>
129 * int[] selection = table.getSelectedRows();
130 * for (int i = 0; i *<* selection.length; i++) {
131 * selection[i] = table.convertRowIndexToModel(selection[i]);
132 * }
133 * // selection is now in terms of the underlying TableModel
134 * </pre>

But according to html specification the character entity reference &lt; should be used:
http://www.w3.org/TR/1998/REC-html40-19980424/charset.html#h-5.3.2