How to add a new row to an existing Excel file in java. (Using jxl) -

i have add new row existing excel file has data.

to make more clear , if excel has data upto 'n'th row , should add data 'n+1' th row.

i using jxl.jar , not apache poi.

import java.io.file;  import jxl.workbook; import jxl.write.writableworkbook; import jxl.workbooksettings; import jxl.format.underlinestyle; import jxl.write.formula; import jxl.write.label; import jxl.write.number; import jxl.write.writablecell; import jxl.write.writablecellformat; import jxl.write.writablesheet; import jxl.write.writeexception;  public class writexcel {     static writableworkbook workbook;     public static void main(string args[])throws exception     {            writableworkbook workbook = workbook.createworkbook(new file("c:/users/aj.xls"));         writablesheet sheet = workbook.createsheet("first sheet", 0);         label label = new label(0, 2, "ajeeth k");          sheet.addcell(label);         workbook.write();          workbook.close();          //modify xls          workbook workbook1 = workbook.getworkbook(new file("c:/users/aj.xls"));         writableworkbook copy = workbook.createworkbook(new file("c:/users/527305/aj.xls"), workbook1);         writablesheet sheet2 = copy.getsheet(0);          writablecell cell = sheet2.getwritablecell(5, 2);          sheet2.addcell(label);          copy.write();         copy.close();     } }