Java code for convert xlsx or xls file to csv file

static void excelTocsvConvert(File inputFile, File outputFile) {
// For storing data into CSV files
StringBuffer data = new StringBuffer();
try {
FileOutputStream fos = new FileOutputStream(outputFile);Read More »


How to read an Excel 2007 (.xlsx) file using Apache POI

  1. Apache POI library v3.8 or above (download)

To read an Excel 2007 (.xlsx) we need to use XSSF (XML SpreadSheet Format) and we will use the below classes to work with xlsx files by importing the below statements

import org.apache.poi.xssf.usermodel.XSSFCell;
import org.apache.poi.xssf.usermodel.XSSFRow;
import org.apache.poi.xssf.usermodel.XSSFSheet;
import org.apache.poi.xssf.usermodel.XSSFWorkbook;Read More »