As one of the most popular open source platforms, Java has accelerated its release cadence to 6 months after the debute of Java 9. Enterprise application systems usually are built upon Long Term Support (LTS) version. The current Java LTS is version 11, although massive systems are lagged in Java 8 which is the previous LTS released in 2015.
As more companies are pursuing their DevOps journey and looking at the union of People, Process, and Products to enable continuous delivery of value to end users, it is important to realize that there is a reason People come first in that list.