Continuations in Java

Question

Is there a good implementation of continuations in Java?

If so, what is the overhead like? The JVM wasn\'t designed with these sort of things in mind, right? So is t

Answer 1

Play! framework version 1.2.x also has support for continuations integrated with async http goodies.

Note that Play 1.2.x continuations only work with the inbuilt Netty server.

And Play 2.x still has no support for continuations.