*/
public static void main(String[] args) throws JAXBException, Docx4JException {
// TODO Auto-generated method stub
SpreadsheetMLPackage pkg = SpreadsheetMLPackage.createPackage();
WorksheetPart sheet = pkg.createWorksheetPart(new PartName("/sheet1.xml"), "Sheet1", 1);
CTSheetFormatPr format = Context.getsmlObjectFactory().createCTSheetFormatPr();
format.setDefaultRowHeight(5);
format.setCustomHeight(Boolean.TRUE);
sheet.getJaxbElement().setSheetFormatPr(format);
SheetData sheetData = sheet.getJaxbElement().getSheetData();
Row row = Context.getsmlObjectFactory().createRow();
row.setHt(66.0);
row.setCustomHeight(Boolean.TRUE);