On: Pattern Matching for Java

[pdpi]

Project Valhalla (featuring value classes) is scheduled for Java 10 — so it'll probably arrive in production around 2020.

[aardvark179 → pdpi]

I cannot comment on the Java release schedule, but Project Valhalla will be done when it's done, and it is not a small task. Project Amber is intended for smaller changes that may have been investigated as part of Valhalla and can be released earlier.