Workbook<br>
new XSSFWorkbook(InputStream)<br>
new HSSFWorkbook(InputStream)<br>
Sheet<br>
workbook.getSheet("sheetName")<br>
Cell<br>
row.getCell(index)
cell.getCellTypeEnum()
CellType
Get Value<br>
cell.getStringCellValue()<br>
cell.getNumericCellValue()
cell.getBooleanValue()
cell.getErrorCellValue()
cell.getCellFormula()
