| Booleans | Utility methods for boolean objects and primitives. |
| Bytes | Utility methods for byte. |
| Characters | Utility methods for character or any number interpreted as character. |
| IntegerList | |
| IntegerRanges | Integer ranges are [beg, end) (alternate notation: [beg, end[) |
| Integers | Utility methods for integer. |
| LargeIntHandler | Handler for large integers of a given maximum bitsize. |
| Longs | Utility methods for long. |
| Shorts | Utility methods for short. |