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by iscoelho
889 days ago
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> Doing a naked `a[i]` is simply not common java code. It is extremely common in performance sensitive code,
1) graphics & rendering
2) networking
3) buffers > But further newer JVM additions like the enhanced for loop eliminate a ton of conditions
> The JVM is far more likely today to remove the bounds check all together than it ever was in 2004. There are more comments in this thread that clarify further, but Java is very commonly unable to eliminate bounds checks. You can test all of these things yourself with a quick benchmark - don't take my word for it! The JIT is not as great at this as common rhetoric claims it is. |
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