Java is a so-so language, but the JVM ecosystem is excellent. That said, a lot of good things are done with Java, and it's my main development language on the j

Java is a so-so language, but the JVM ecosystem is excellent. That said, a lot of good things are done with Java, and it's my main development language on the job right now. Scala is looking very promising as a really excellent language atop the JVM. Clojure also has a lot of adherents these days.