XSSF write

public void writeXSSF() {

    FileOutputStream fileOut = null;

    

    try {

        Workbook wb = new XSSFWorkbook();

        Sheet sheet = wb.createSheet("new sheet");

        Row row = sheet.createRow(0);

        Cell cell = row.createCell(0);

        cell.setCellValue("wefwefwefwe");

        

        fileOut = new FileOutputStream("c:/testXSSF.xlsx");

        wb.write(fileOut);

    } catch (FileNotFoundException e) {

        e.printStackTrace();

    } catch (IOException e) {

        e.printStackTrace();

    } finally {

        try {

            fileOut.close();

        } catch (IOException e) {

            e.printStackTrace();

        }

    }

}