| Package | Description | 
|---|---|
| org.apache.poi.util | Top-level util package are classes that are useful throughout the project. | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | ByteFieldrepresentation of a byte (8-bit) field at a fixed location within a
 byte array | 
| class  | IntegerFieldrepresentation of an integer (32-bit) field at a fixed location
 within a byte array | 
| class  | LongFieldrepresentation of a long (16-bit) field at a fixed location within
 a byte array | 
| class  | ShortFieldrepresentation of a short (16-bit) field at a fixed location within
 a byte array | 
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