# All Packages

Package Summary
Package
Description
org.apache.commons.lang
Provides highly reusable static utility methods, chiefly concerned with adding value to the `java.lang` classes.
org.apache.commons.lang.builder
Assists in creating consistent `equals(Object)`, `toString()`, `hashCode()`, and `compareTo(Object)` methods.
org.apache.commons.lang.enums
Provides an implementation of the C style `enum` in the Java world.
org.apache.commons.lang.exception
Provides JDK 1.4 style Nested Exception functionality for those on prior Java versions.
org.apache.commons.lang.math
Extends `java.math` for business mathematical classes.
org.apache.commons.lang.mutable
Provides typed mutable wrappers to primitive values and Object.
org.apache.commons.lang.reflect
Accumulates common high-level uses of the `java.lang.reflect` APIs.
org.apache.commons.lang.text
Provides classes for handling and manipulating text, partly as an extension to `java.text`.
org.apache.commons.lang.time
Provides classes and methods to work with dates and durations.