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Apache Jakarta Commons: Reusable Java™ Components by Will Iverson

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Appendix A. Lang Reference

This appendix provides a summary of the javadoc for a subset of the most commonly used portions of the Commons Lang package. This includes all of the classes in the org.apache.commons.lang.* package and org.apache.commons.lang .time.* package.

org.apache.commons.lang

ArrayUtils

Operations on arrays, primitive arrays (like int[]) and primitive wrapper arrays (like Integer[]).

BitField

Operations on bit-mapped fields.

BooleanUtils

Operations on boolean primitives and Boolean objects.

CharRange

A contiguous range of characters, optionally negated.

CharSet

A set of characters.

CharSetUtils

Operations on CharSets.

ClassUtils

Operates on classes without using reflection.

ObjectUtils

Operations on Object.

ObjectUtils.Null

Class used as a null ...

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