As a developer it's easier for me to ship java apps with the current runtime than it is to ship a python app with the updated runtime. Therefore I'm more likely

As a developer it's easier for me to ship java apps with the current runtime than it is to ship a python app with the updated runtime. Therefore I'm more likely to stay current with Java than I am with Python, especially when my target is any Linux from centos 5 and newer (including debian, etc. centos 5 is more used as a reference for a date).