import com.ebay.xcelite.Xcelite; import com.ebay.xcelite.reader.SheetReader; import com.ebay.xcelite.sheet.XceliteSheet; import com.ebay.xcelite.writer.SheetWriter; Xcelite xcelite = new Xcelite(); XceliteSheet sheet = xcelite.createSheet("mySheet"); SheetReader<MyDataClass> reader = sheet.getBeanReader(MyDataClass.class); List<MyDataClass> data = reader.read(); for (MyDataClass item : data) { System.out.println(item.toString()); } Xcelite xcelite = new Xcelite(); XceliteSheet sheet = xcelite.createSheet("mySheet"); SheetWriter<MyDataClass> writer = sheet.getBeanWriter(MyDataClass.class); List<MyDataClass> data = new ArrayList<>(); writer.write(data); xcelite.write(new File("output.xlsx"));