Products OR-Tools Reference C++ Reference: random This documentation is automatically generated. ACM minimal standard random number generator. (Re-entrant.) Classes ACMRandom MTRandom Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License, and code samples are licensed under the Apache 2.0 License. For details, see our Site Policies. Java is a registered trademark of Oracle and/or its affiliates. Last updated May 29, 2018.