optimization: "index creation outside of the loops"

[hnipak]

I came across the article http://wiki.forum.nokia.com/index.ph...ize_in_Java_ME. One of the optimizations listed there is "index creation outside of the loops" (with code example).

Is this hint really true? Can such optimization really "save a few seconds on a real device!" ?

Thanks.

[bogdan.galiceanu]

I guess the "save a few seconds" part depends on the device and the loop (meaning the number of times the same operation is performed). Theoretically this should help, as you only create the variables once (outside the loop) rather than several times (each time the loop returns). But again, it's hard to determine just how much it would help...

[hnipak]

I guess I misunderstood. I can see the benefit of moving index value calculation of the innermost loop etc.

I misread "index creation" as "index declaration"...