How do i resolve this in selenium webdriver ?

public static void main(String[] args) throws IOException,BiffException{

       WebDriver driver;
            driver =new InternetExplorerDriver();

                  File f1 = new File("C:\\Users\\wer\\Desktop\\Demo\\sai.xls");


      Workbook wbk;

      wbk = Workbook.getWorkbook(f1);

      Sheet sheet = wbk.getSheet(0);
      String username;

      username = sheet.getCell(0, 0).getContents();

Exception in thread "main" C:\Users\wer\Desktop\Demo\sai.xls (The system cannot find the file specified)
      at Method)
      at Source)
      at<init>(Unknown Source)
      at jxl.Workbook.getWorkbook(
      at jxl.Workbook.getWorkbook(
      at test.main(
sai saiAsked:
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Flabio GatesCommented: C:\Users\wer\Desktop\Demo\sai.xls (The system cannot find the file specified)
The Exception has nothing to do with Selenium.
Are you sure you have a "Demo" folder on your Desktop and does it contain a file named "sai.xls"?
Perhaps the extension is .xlsx instead?

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Flabio GatesCommented:
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