| Package | Description | 
|---|---|
| org.apache.poi.hssf.usermodel | The usermodel package maps HSSF low level structures to familiar workbook/sheet model | 
| org.apache.poi.ss.usermodel | |
| org.apache.poi.xssf.streaming | |
| org.apache.poi.xssf.usermodel | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | HSSFCreationHelper | 
| Modifier and Type | Method and Description | 
|---|---|
| CreationHelper | Workbook. getCreationHelper()Returns an object that handles instantiating concrete
 classes of the various instances one needs for  HSSF and XSSF. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | SXSSFCreationHelperStreaming Creation Helper, which performs some actions
  based on the Streaming Workbook, and some on the related
  regular XSSF Workbook | 
| Modifier and Type | Method and Description | 
|---|---|
| CreationHelper | SXSSFWorkbook. getCreationHelper()Returns an object that handles instantiating concrete
  classes of the various instances one needs for HSSF, XSSF
  and SXSSF. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | XSSFCreationHelper | 
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