Set Cell Style XSSFWorkbook workbook = new XSSFWorkbook (); XSSFSheet sheet = Workbook . createSheet ( "sheet title" ); XSSFRow row ; XSSFCell cell ; int indexRow , indexColumn ; row = sheet . createRow ( indexRow ); cell = row . createCell ( indexColumn ); CellStyle style = workbook . createCellStyle (); cell . setCellStyle ( style ); Wrap Style CellStyle wrap_style = workbook . createCellStyle (); wrap_style . setWrapText (CellStyle percent_style = workbook.createCellStyle(); percent_style.setDataFormat(workbook.createDataFormat().getFormat("0.00%")); true ); Border Style XSSFWorkbook workbook = new XSSFWorkbook (); CellStyle border_style = workbook . createCellStyle (); border_style . setBorderLeft ( BorderStyle . THIN ); border_style . setBorderRight ( BorderStyle . THIN ); border_style . setBorderTop ( BorderStyle . THIN ); border_style . setBorderBottom ( BorderStyle . THIN ); Bold Style Font font = workb...