If the intent is to push people even farther away from Java, they're on the right track.
The very first comment there is spot on; Java needs type inferencing. With type inferencing, we could have gotten some of the benefits that generics were supposed to bring, without the horrifying syntax. # of Google hits for 'java' 'generics' 'horror': 541,000.
I'm not sure what to say about closures, none of the suggestions look very good to me. I'm still trying to recover from having to work on projects where people are starting to use generics. Luckily, because annotations comes along for the ride when with generics (in JSE 5), and Eclipse has handy dandy 'quick fixes' for adding a @SuppressWarnings when I want to write tidy code (ie, remove the generic crud), life is somewhat liveable.
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