Apache Commons RNG (Pseudo-random number generators)

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  1. 1354af6 Update commons-parent 57 to 58 by Alex Herbert · 8 days ago master
  2. f066225 Update commons.compiler.release in the JDK 9+ modules by Alex Herbert · 8 days ago
  3. 05dcba0 Grammar by Gary Gregory · 10 days ago
  4. cf4a61f Javadoc, in-line comment, and messages typos by Gary Gregory · 2 weeks ago
  5. c48bc7e Changed fixed seed RNG for random seed RNG in repeated tests by aherbert · 5 weeks ago

Apache Commons RNG

Build Status Coverage Status Quality Gate Status Maven Central Javadocs

The Apache Commons RNG project provides pure-Java implementation of pseudo-random generators.


More information can be found on the Apache Commons RNG homepage. The Javadoc for each of the modules can be browsed:

Questions related to the usage of Apache Commons RNG 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, e.g.:



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.

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 file for required notices and attributions.


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

Additional Resources