Microsoft calls jClarity the leading contributor to the AdoptOpenJDK project, which provides free, open source OpenJDK binaries. Microsoft has been a sponsor of AdoptOpenJDK, which has provided binaries for both Windows and Linux.
The jClarity team is well-versed in the JVM and has helped customers optimize Java applications while also being active in the Java open source community, Microsoft said in a statement.
Usage of Java at Microsoft has grown in the last few years. Large-scale Java deployments include the AzureHDInsight analytics service and Minecraft.