* @exception IOException
* @exception WriteException
*/
public void write() throws IOException, WriteException
{
WorkbookSettings ws = new WorkbookSettings();
ws.setLocale(new Locale("en", "EN"));
workbook = Workbook.createWorkbook(new File(filename), ws);
WritableSheet s2 = workbook.createSheet("Number Formats", 0);
WritableSheet s3 = workbook.createSheet("Date Formats", 1);