org.apache.poi.ss.util
Classes 
AreaReference
CellRangeAddress
CellRangeAddressBase
CellRangeAddressList
CellReference
CellReference.NameType
CellUtil
DateFormatConverter
DateFormatConverter.DateFormatTokenizer
ImageUtils
NumberComparer
NumberToTextConverter
Region
RegionUtil
SheetBuilder
SheetReferences
SheetUtil
SSCellRange
WorkbookUtil