>> Why that? As far as I remember my courses C and Java have the same >> expressive power. >> > Java is 6-10 times slower than C.
Normally I don't respond to stuff like this, but can't resist in this case. :) The whole "Java is 6-10 times slower" thing is total bull that might have been somewhat true five years ago, but is completely wrong now. Numerous performance tests have shown that optimized C code performs essentially the same as optimized Java code (doing apples to apples comparisons).
The main reason for this change in performance is that VM technology has advanced so much. VM's no longer just interpret byte code line by line (slow), but do dynamic compilation into machine code based on the usage patterns of the application. Microsoft's .NET framework operates basically the same way, although their VM isn't advanced as the Java ones yet from what I've read.
There are plenty of real arguments for and against Java, such as being much more efficient to develop in, but also generally requiring more runtime memory than C. Performance just isn't one of those reasons, except in very specialized circumstances. In any case, I'd be happy to continue the conversation off-list.
Regards, Matt
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