class ExcelHandler {

    public Cell getCellData(int column, int row) throws Exception {
        column--;
        row--;
        if (this.selectedSheet.equals(null)) {
            throw new Exception("No sheet selected.  You must select a sheet before trying to get data!");
        }
        return this.selectedSheet.getCell(column, row);
    }

    public  ExcelHandler(File excelWorkbook);

}