Clojure is rather new member of the LISP family of languages which runs on the Java platform. Introduced in 2007 it has generated a lot of interest. InfoQ had a small Q&A with James Reeves and Christo ...

Try Clojure and 4Clojure provide you with the chance to play with Clojure without installing anything. 4Clojure gives you a set of problems to solve using Clojure code, a bit like koans (see below ...