Java POI - How to remove column??

Hi,
I m new to Apachi POI. I would like to know if its possible to remove certain columns from sheet?
Any help would be great.
Thanks in advance.

thanks for your reply. But i also found that piece of code and used it. Nothing happened! Here is the piece of code that i used;
    File excelFile = new File("c:\abc.xls");
    POIFSFileSystem fs = new POIFSFileSystem(new FileInputStream(file));
    HSSFWorkbook wb = new HSSFWorkbook(fs);
    HSSFSheet sheet = wb.getSheetAt(0);
    HSSFRow row;
    HSSFCell cell;
    int colToRemove = 5;
    Iterator rowIter = sheet.iterator();
    while (rowIter.hasNext()) {
      row = (HSSFRow)rowIter.next();
      cell = row.getCell(colToRemove);
      row.removeCell(cell);
   }

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