http://g.oswego.edu/dl/classes/EDU/oswego/cs/dl/util/concurrent/intro.html
On 8/6/07, Craig L Russell <Craig.Russel..un.com> wrote:
> I don't have details in front of me, but I understand that many of
> the popular Concurrent classes have been back-ported to Java 1.4. If
> you like, I can get more details if you can't find it on the Internet.
>
> The back-port classes don't use the new Java byte-codes that were
> added in Java 5 so there still is some performance improvement in
> Java 5. But if the alternative is to require Java 5, some users might
> want to take a bit lower performance instead.
>
> Craig
>
> On Aug 6, 2007, at 8:19 AM, Andrus Adamchik wrote:
>
> >
> > On Aug 5, 2007, at 5:39 AM, Kevin Menard wrote:
> >
> >> the new concurrent API could yield significant speed improvements.
> >
> > Being all backwards compatible, I haven't played much with that,
> > but I suspect that things like ConcurrentHashMap should help us to
> > improve throughput of DataRowStore and EventManager. So I am
> > softening my stand against 3.0 switch to Java 5 :-)
> >
> > Maybe a poll on the user list is a good idea?
> >
> > Andrus
> >
> >
> >
>
> Craig Russell
> Architect, Sun Java Enterprise System http://java.sun.com/products/jdo
> 408 276-5638 mailto:Craig.Russel..un.com
> P.S. A good JDO? O, Gasp!
>
>
>
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