[DennisP]

Your list misses some pretty significant features that don't exist in Java, including lexical closures, list comprehensions, and macros.

Try spending some time on 4Clojure. For a while I was routinely solving problems in half a dozen lines or more, only to find that other people had done them in one line.

Also of course, Paul Graham has said a few things about this, such as: http://www.paulgraham.com/avg.html