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Groups > comp.lang.java.programmer > #22532
| From | Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> |
|---|---|
| Newsgroups | comp.lang.java.programmer |
| Subject | Re: simple StringBuilder proposal |
| Date | 2013-02-26 15:15 +0000 |
| Organization | A noiseless patient Spider |
| Message-ID | <slrnkipkec.u9l.avl@gamma.logic.tuwien.ac.at> (permalink) |
| References | <qa8pi8tgm6kpbcn19l69rfvbclio6spivt@4ax.com> |
Roedy Green <see_website@mindprod.com.invalid> wrote:
> With FastCat, I can write:
> sb.append( "<input name=\"cx\" type=\"hidden\" value=\"", cseAccount,
> ":", cseCode, "\">\n" );
> It is just shorthand for
> sb.append( "<input name=\"cx\" type=\"hidden\" value=\"",)
> sb.append(cseAccount);
> sb.append(":");
> sb.append(cseCode);
> sb.append( "\">\n" );
> I propose StringBuilder learn the same trick.
I agree that explicitly calling append only once for
a couple of separate things is fine, as in: eventually
makes code clearer. (Even though your concrete example
doesn't look like supporting my claim, as the line grew
too long.)
Have you tried writing
sb.append( "<input name=\"cx\" type=\"hidden\" value=\"" + cseAccount + ...)
?
I think, I once read here, that the JIT might even be smart enough
to not create a new StringBuilder for the "+"s, but inline it into
the existing StringBuilder.
Have you done timing tests that support your claim that creating
temporary arrays (for the varargs-call) is really faster than simple
"+"-style argument concatenation? If so, how big was the difference?
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simple StringBuilder proposal Roedy Green <see_website@mindprod.com.invalid> - 2013-02-26 03:53 -0800
Re: simple StringBuilder proposal Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2013-02-26 15:15 +0000
Re: simple StringBuilder proposal Roedy Green <see_website@mindprod.com.invalid> - 2013-02-27 10:25 -0800
Re: simple StringBuilder proposal Roedy Green <see_website@mindprod.com.invalid> - 2013-02-27 10:30 -0800
Re: simple StringBuilder proposal Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2013-02-28 08:30 +0000
Re: simple StringBuilder proposal markspace <markspace@nospam.nospam> - 2013-02-28 07:54 -0800
Re: simple StringBuilder proposal markspace <markspace@nospam.nospam> - 2013-02-26 08:31 -0800
Re: simple StringBuilder proposal Lew <lewbloch@gmail.com> - 2013-02-26 10:33 -0800
Re: simple StringBuilder proposal markspace <markspace@nospam.nospam> - 2013-02-26 10:47 -0800
Re: simple StringBuilder proposal Leif Roar Moldskred <leifm@dimnakorr.com> - 2013-02-26 13:29 -0600
Re: simple StringBuilder proposal Peter Duniho <NpOeStPeAdM@NnOwSlPiAnMk.com> - 2013-02-26 12:08 -0800
Re: simple StringBuilder proposal Lew <lewbloch@gmail.com> - 2013-02-26 13:32 -0800
Re: simple StringBuilder proposal Roedy Green <see_website@mindprod.com.invalid> - 2013-02-27 10:33 -0800
Re: simple StringBuilder proposal Robert Klemme <shortcutter@googlemail.com> - 2013-02-26 22:53 +0100
Re: simple StringBuilder proposal markspace <markspace@nospam.nospam> - 2013-02-26 15:54 -0800
Re: simple StringBuilder proposal Robert Klemme <shortcutter@googlemail.com> - 2013-03-01 07:35 +0100
Re: simple StringBuilder proposal Roedy Green <see_website@mindprod.com.invalid> - 2013-02-27 10:31 -0800
Re: simple StringBuilder proposal Sven Köhler <remove-sven.koehler@gmail.com> - 2013-02-28 05:14 +0100
Re: simple StringBuilder proposal Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2013-02-26 09:41 -0800
Re: simple StringBuilder proposal Jan Burse <janburse@fastmail.fm> - 2013-02-26 20:21 +0100
Re: simple StringBuilder proposal Joerg Meier <joergmmeier@arcor.de> - 2013-02-26 23:07 +0100
Re: simple StringBuilder proposal Jan Burse <janburse@fastmail.fm> - 2013-02-27 00:09 +0100
Re: simple StringBuilder proposal Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2013-02-26 15:19 -0800
Re: simple StringBuilder proposal Jim Janney <jjanney@shell.xmission.com> - 2013-02-27 09:34 -0700
Re: simple StringBuilder proposal Jan Burse <janburse@fastmail.fm> - 2013-02-27 19:18 +0100
Re: simple StringBuilder proposal Arne Vajhøj <arne@vajhoej.dk> - 2013-02-27 19:56 -0500
Re: simple StringBuilder proposal Jan Burse <janburse@fastmail.fm> - 2013-02-28 10:19 +0100
Re: simple StringBuilder proposal Arne Vajhøj <arne@vajhoej.dk> - 2013-02-28 08:16 -0500
Re: simple StringBuilder proposal Jim Janney <jjanney@shell.xmission.com> - 2013-02-28 16:40 -0700
Re: simple StringBuilder proposal Arne Vajhøj <arne@vajhoej.dk> - 2013-02-28 18:51 -0500
Re: simple StringBuilder proposal Arne Vajhøj <arne@vajhoej.dk> - 2013-02-27 20:01 -0500
Re: simple StringBuilder proposal Silvio <silvio@internet.com> - 2013-02-26 22:03 +0100
Re: simple StringBuilder proposal Silvio <silvio@internet.com> - 2013-02-26 22:04 +0100
Re: simple StringBuilder proposal Sven Köhler <remove-sven.koehler@gmail.com> - 2013-02-27 03:47 +0100
FastCat 'performance' (was: simple StringBuilder proposal) Joerg Meier <joergmmeier@arcor.de> - 2013-02-27 18:16 +0100
Re: FastCat 'performance' markspace <markspace@nospam.nospam> - 2013-02-27 09:58 -0800
Re: FastCat 'performance' Jan Burse <janburse@fastmail.fm> - 2013-02-27 19:31 +0100
Re: FastCat 'performance' Joerg Meier <joergmmeier@arcor.de> - 2013-02-27 20:00 +0100
Re: FastCat 'performance' Jan Burse <janburse@fastmail.fm> - 2013-02-27 20:41 +0100
Re: FastCat 'performance' Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2013-02-27 12:38 -0800
Re: FastCat 'performance' Joerg Meier <joergmmeier@arcor.de> - 2013-02-27 21:58 +0100
Re: FastCat 'performance' Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2013-02-27 13:32 -0800
Re: FastCat 'performance' Lew <lewbloch@gmail.com> - 2013-02-27 13:42 -0800
Re: FastCat 'performance' Lew <lewbloch@gmail.com> - 2013-02-27 13:44 -0800
Re: FastCat 'performance' Joerg Meier <joergmmeier@arcor.de> - 2013-02-27 22:51 +0100
Re: FastCat 'performance' Sven Köhler <remove-sven.koehler@gmail.com> - 2013-02-28 05:19 +0100
Re: FastCat 'performance' Joerg Meier <joergmmeier@arcor.de> - 2013-02-28 13:09 +0100
Re: FastCat 'performance' markspace <markspace@nospam.nospam> - 2013-02-27 13:57 -0800
Re: FastCat 'performance' Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2013-02-27 15:23 -0800
Re: FastCat 'performance' Arne Vajhøj <arne@vajhoej.dk> - 2013-02-27 18:52 -0500
Re: FastCat 'performance' Sven Köhler <remove-sven.koehler@gmail.com> - 2013-03-01 17:26 +0100
Re: FastCat 'performance' Sven Köhler <remove-sven.koehler@gmail.com> - 2013-02-27 21:00 +0100
Re: FastCat 'performance' (was: simple StringBuilder proposal) Wanja Gayk <brixomatic@yahoo.com> - 2013-03-27 10:17 +0100
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