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:

• Commons RNG Client API
• Commons RNG Core
• Commons RNG Simple
• Commons RNG Sampling

Questions related to the usage of Apache Commons RNG should be posted to the user mailing list.

You can download source and binaries from our download page.

Alternatively you can pull it from the central Maven repositories, e.g.:

<dependency>
  <groupId>org.apache.commons</groupId>
  <artifactId>commons-rng-simple</artifactId>
  <version>1.5</version>
</dependency>
<dependency>
  <groupId>org.apache.commons</groupId>
  <artifactId>commons-rng-sampling</artifactId>
  <version>1.5</version>
</dependency>

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.

• Apache Commons Homepage
• Apache Issue Tracker (JIRA)
• Apache Commons Twitter Account
• #apache-commons IRC channel on irc.freenode.org