TableColumnExt extends TableColumn implements UIDependent { public String getTitle() { Object header = getHeaderValue(); return header != null ? header.toString() : null; } TableColumnExt();  TableColumnExt(int modelIndex);  TableColumnExt(int modelIndex, int width);  TableColumnExt(int modelIndex, int width,
                          TableCellRenderer cellRenderer, TableCellEditor cellEditor);  TableColumnExt(TableColumnExt columnExt); void setHighlighters(Highlighter... highlighters); Highlighter[] getHighlighters(); void addHighlighter(Highlighter highlighter); void removeHighlighter(Highlighter highlighter); @Override boolean getResizable(); void setEditable(boolean editable); boolean isEditable(); void setPrototypeValue(Object value); Object getPrototypeValue(); void setComparator(Comparator<?> comparator); Comparator<?> getComparator(); void setSortable(boolean sortable); boolean isSortable(); void setToolTipText(String toolTipText); String getToolTipText(); void setTitle(String title); String getTitle(); void setVisible(boolean visible); boolean isVisible(); void setHideable(boolean hideable); boolean isHideable(); void putClientProperty(Object key, Object value); Object getClientProperty(Object key); @Override void updateUI();  }
@Test public void testTitle() { columnExt.getTitle(); }