Method for writing an Excel file

import org.apache.poi.hssf.usermodel.HSSFWorkbook; import org.apache.poi.hssf.usermodel.HSSFSheet; import org.apache.poi.hssf.usermodel.HSSFRow; import org.apache.poi.hssf.usermodel. HSSFCell; import java.io.FileOutputStream; import java.io.FileNotFoundException; import java.io.IOException; import java.io.File; / ** * write Excel files * @param fileName String * @param sheetName String file name * @Param Metadata String [] Storage Title Row Attribute * @Param RowData String [] [] Storage Write Data * @Return Boolean * / Public Static Boolean WriteExcel (String FileName, String Sheetname, String [] metadata, string [] [] [] [] [] Metadata, String [] [] ] rowData) {boolean flag = false; FileOutputStream fileOut = null; try {// the code to generate excel HSSFWorkbook wb = new HSSFWorkbook (); HSSFSheet sheet = wb.createSheet (sheetName); // create a workbook HSSFRow row = null; HSSfcell Cell = NULL;