On Fri, Apr 18, 2008 at 1:56 AM, Ian Holsman <[EMAIL PROTECTED]> wrote: > but there is a ConcurrentSkipListMap in 1.6, and with jsr166x.jar (that > contains the additions to the concurrent package to make it similar to > 1.6's) it can be used in 1.5
Higher overhead wouldn't be worth it. Synchronization on the cache is just around a get/put. It's extremely unlikely for that to be any kind of bottleneck, because the accessing code has to do something with each lookup - and that is where the time will be spent. -Yonik
