I've read something here....

http://sinnema313.wordpress.com/2008/11/16/performance-tuning-a-gwt-application/

That GWT StringBuffer / StringBuilder implementation is not very
accurate... and, as 'GWT bytecode' is Javascript, I don't know which
is the best method - it seems to be the old, demonized
String s = "a" + "b"

Oskar

On 27 ene, 13:16, Adam T <[email protected]> wrote:
> yep, I would say it is "horses for courses" - as the issue I linked to
> ( Issue 945: Performance improvement for JS string appends in IE)
> indicates, simple string + string is slow in IE over a certain number
> of Strings - but as you see in your simple case it might not be worth
> changing to somthing else.
>
> //Adam
>
> On 27 Jan, 12:45, Fred Janon <[email protected]> wrote:
>
> > I just tried StringBuilder and StringBuffer, they seem to perform the same,
> > I doubt that in the JS environment there is a reason for a difference
> > between the 2 since JS is single threaded. The huge difference between
> > StringBuffer/Builder and a String concatenation is that the usual String "+"
> > performs 2 to 4 times faster in IE6 and FF3 than StringBuffer/Builder in my
> > simple case. So I will stick to the simple " " + some String + " ".
>
> > Thanks anyway,
>
> > Fred
>
> > On Tue, Jan 27, 2009 at 16:06, Adam T <[email protected]> wrote:
>
> > > Consider using StringBuilder:
> > >http://code.google.com/p/google-web-toolkit/issues/detail?id=945&q=st...
>
> > > //Adam
>
> > > On 27 Jan, 06:34, Fred Janon <[email protected]> wrote:
> > > > Hi,
>
> > > > I have some code like this:
>
> > > > String name = " " + someString + " ";
>
> > > > Is there another faster way of doing that in GWT? StringBuffer,
> > > > StringBuilder?
>
> > > > Thanks
>
> > > > Fred
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