SPEED :: In defence of Java, it is very quick when done right. See Kilim[1] for examples. SUPPORT :: On top of the speed Java has a supported hardware stack (S

SPEED :: In defence of Java, it is very quick when done right. See Kilim[1] for examples. SUPPORT :: On top of the speed Java has a supported hardware stack (Solaris). So if doing 100K connections is important to you, you can find engineers who can diagnose difficult problems on your whole stack. -------------- [1] http://www.youtube.com/watch?v=37NaHRE0Sqw http://www.youtube.com/watch?v=37NaHRE0Sqw at 23:23 . Java is quick without Kilim too, this is just an example with stats.