Java 7 doesn't introduce new features to make life easier to programmers. The most significant new feature it's the Fork/Join framework, but it's a kind of Executor and Executors where introduced in Java 5. I suppose that you know it. The new features of Java Concurrency API are oriented to concrete problems and they
I haven't worked with Scala yet, but it's on my list of pending tasks. I want to test the concurrency features of Scala, Groovy and Clojure.