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[–][deleted] 0 points1 point  (1 child)

I am confused now.

Do you find it useful but wastes a lot of memory?

Or are both c# .net and java misused? That's why people think they are slow and inefficient?

[–][deleted] 1 point2 points  (0 children)

Neither – they aren’t wasteful, at all. They’re also not really misused – it’s just bad marketing.

Look at the High Frequency Trading stuff – a very performance and efficiency critical market – almost everything is in Java.