The general state of affairs at Sun/ Oracle is very sad. If you are like me, you cannot take this much longer. Fortunately enough my esteemed colleague Håkan Råberg has invented what is at least a molotov cocktail perhaps even a guillotine to the revolution of java software development. Yes, I am talking about the modestly named Enumerable.java, which brings the Ruby enumerable module and closures to java. Without a special compiler, just by pushing the boundaries and enhancing byte code.
I created this little screencast, that shows how to get up and running with Enumerable.java:
There is also a hi-res version of the videos on google docs (approx. 20M download size).
Now, go, download and, enjoy!