There's still this lingering belief that Java is slow, maybe related to the terrible start-up times of the JVM. But once it's going, Java is fast - really fast.

There's still this lingering belief that Java is slow, maybe related to the terrible start-up times of the JVM. But once it's going, Java is fast - really fast. And since its niche is basically enterprise webapps, a lot of attention has been paid to scalability and concurrency.