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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