It's just sort of in the air. There are several organizations that conduct and publish annual surveys asking Java people what version they're on. Jetbrains and

It's just sort of in the air. There are several organizations that conduct and publish annual surveys asking Java people what version they're on. Jetbrains and Perforce do, and I think IBM has one, too. The numbers get tossed around in Java tech talks so often that I've long since stopped keeping track of which specific source everyone's quoting, but the figures generally fall on that range.