# Uses of Package
org.apache.commons.lang

- Packages that use org.apache.commons.lang
  Package | Description
  --- | ---
  org.apache.commons.lang | Provides highly reusable static utility methods, chiefly concerned with adding value to the `java.lang` classes.

- Classes in org.apache.commons.lang used by org.apache.commons.lang
  Class | Description
  --- | ---
  CharRange | A contiguous range of characters, optionally negated.
  CharSet | A set of characters.
  NumberRange | Deprecated. Use one of the Range classes in org.apache.commons.lang.math.
  ObjectUtils.Null | Class used as a null placeholder where `null` has another meaning.