On 14/04/2008, Daniel Cheng <[EMAIL PROTECTED]<[EMAIL PROTECTED]>> wrote: > > > Hashtable is threadsafe -- yes, but I prefer using > Collections.synchronizedMap() and > java.util.concurrent.ConcurrentHashMap. > > When loading is high, ConcurrentHashMap give much better performance > as it is lock free. > The sad news is it's only available on java 5/later.
FYI we've successfully used http://backport-jsr166.sourceforge.net/ in other java 1.4 projects. Stuart
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