XLS Sheet created using JAVA

import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import org.apache.poi.ss.usermodel.Sheet; import org.apache.poi.ss.usermodel.Workbook; import org.apache.poi.xssf.usermodel.XSSFWorkbook; public class ExcelTemplate { public ExcelTemplate() { // TODO Auto-generated constructor stub } public static void main(final String[] args) { Workbook wb = new XSSFWorkbook(); // or new XSSFWorkbook(); Sheet sheet1 = wb.createSheet("new sheet"); FileOutputStream fileOut; try { fileOut = new FileOutputStream("workbook.xlsx"); System.out.println("manos"); wb.write(fileOut); fileOut.close(); } catch (FileNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }