Lang provides a host of helper utilities for the java.lang API, notably String manipulation methods, basic numerical methods, object reflection, concurrency, creation and serialization and System properties. Additionally it contains basic enhancements to java.util.Date and a series of utilities dedicated to help with building methods, such as hashCode, toString and equals.
More information can be found on the homepage.
The commons developer mailing list is the main channel of communication for contributors.
You can download source and binaries from our download page.
Alternatively you can pull it from the central Maven repositories:
<groupId>org.apache.commons</groupId> <artifactId>commons-lang3</artifactId> <version>3.2.1</version>
Code is under the Apache Licence v2.
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