package  excel2;


 import  java.io.*;
 import  java.io.File;
 import  java.io.FileNotFoundException;
 import  java.io.IOException;
 import  java.io.OutputStream;

 import  jxl.Workbook;
 import  jxl.write.Label;
 import  jxl.write.WritableSheet;
 import  jxl.write.WritableWorkbook;
 import  jxl.write.WriteException;
 import  org.apache.poi.hssf.model.Sheet;



/**
 *
 * @author victor
 */
 public   class  Main {
    
    /** Creates a new instance of Main */
     public  Main()
    {
        
    }
    
    /**
     * @param args the command line arguments
     */
     public   static   void  main(String[] args)  throws  FileNotFoundException, IOException, WriteException
    {
        FileInputStream fileIn =  new  FileInputStream("workbook.xls");
        
        Workbook w = Workbook.getWorkbook(fileIn);
        Sheet s = w.createSheet("Demo",  0 );
        s.addCell( new  Label( 0 ,  0 , "Hello World"));
        w.write();
        w.close();
        
        fileIn.close();
    }
    
}

        Sheet s = w.createSheet("Demo",  0 );
        s.addCell( new  Label( 0 ,  0 , "Hello World"));
        w.write();

     public   static   void  main(String[] args)  throws  IOException, WriteException, BiffException
    {
         try 
        {
            Workbook in_wb = Workbook.getWorkbook( new  File("workbook.xls"));

            WritableWorkbook out_wb = Workbook.createWorkbook( new  File("new_workbook.xls"), in_wb);

            WritableSheet s = out_wb.createSheet("Demo 2",  1 );
            s.addCell( new  Label( 1 ,  1 , "Hello World 2"));
            out_wb.write();
            out_wb.close();
            in_wb.close();
        }
         catch (FileNotFoundException ex)
        {
            System.out.println("Ошибка! Не найден файл.");
            System.out.println(ex);
        }
    }