Mirror of Apache Commons Lang
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
Gary Gregory 57c17c42dd Inline some single-use local variables. 5 hours ago
.github Add GitHub coverage.yml. 4 weeks ago
src Inline some single-use local variables. 5 hours ago
.gitattributes Fixed line ending issues once and for all 7 years ago
.gitignore Ignore eclipse-cs generated file 6 years ago
CODE_OF_CONDUCT.md Add GitHub code of conduct page that points to the Apache page. 1 year ago
CONTRIBUTING.md Prepare for 3.10 RC1. 2 years ago
Jenkinsfile Add proposal for Jenkins Pipeline (#410) 3 years ago
LICENSE.txt Add blank line 19 years ago
NOTICE.txt Update NOTICE file for 2022. 5 months ago
README.md Drop TravisCI badge. 5 months ago
RELEASE-NOTES.txt Remove -SNAPSHOT from release notes. 1 year ago
SECURITY.md Typo. 2 years ago
pom.xml Bump commons.pmd-impl.version from 6.46.0 to 6.47.0 (#915) 12 hours ago


Apache Commons Lang

GitHub Actions Status Coverage Status Maven Central Javadocs CodeQL

Apache Commons Lang, a package of Java utility classes for the classes that are in java.lang's hierarchy, or are considered to be so standard as to justify existence in java.lang.


More information can be found on the Apache Commons Lang homepage. The Javadoc can be browsed. Questions related to the usage of Apache Commons Lang should be posted to the user mailing list.

Where can I get the latest release?

You can download source and binaries from our download page.

Alternatively you can pull it from the central Maven repositories:



We accept Pull Requests via GitHub. The developer mailing list is the main channel of communication for contributors. There are some guidelines which will make applying PRs easier for us:

  • No tabs! Please use spaces for indentation.
  • Respect the code style.
  • Create minimal diffs - disable on save actions like reformat source code or organize imports. If you feel the source code should be reformatted create a separate PR for this change.
  • Provide JUnit tests for your changes and make sure your changes don't break any existing tests by running mvn clean test.

If you plan to contribute on a regular basis, please consider filing a contributor license agreement. You can learn more about contributing via GitHub in our contribution guidelines.


This code is under the Apache Licence v2.

See the NOTICE.txt file for required notices and attributions.


You like Apache Commons Lang? Then donate back to the ASF to support the development.

Additional Resources