Groups > comp.lang.java.programmer > #8119

Re: StringBuilder

From	Jan Burse <janburse@fastmail.fm>
Newsgroups	comp.lang.java.programmer
Subject	Re: StringBuilder
Date	2011-09-18 09:59 +0200
Organization	albasani.net
Message-ID	<j548dh$92q$2@news.albasani.net> (permalink)
References	(1 earlier) <j41fik$3qb$1@news.albasani.net> <j52jgd$iij$1@dont-email.me> <vp7a77lp3e5oe4h79pnmv95vb4lu13spmc@4ax.com> <GeednbWNqODBGOjTnZ2dnUVZ_rqdnZ2d@posted.palinacquisition> <j54841$92q$1@news.albasani.net>

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Jan Burse schrieb:
> for example (not exactly measurig toString()):
>
>    +=: 546 ms
>    StringBuilder, default initial capacity: 30ms
>    StringBuilder, exact initial capacity: 10ms
>
> http://christian.bloggingon.net/archive/2008/09/06/performance-vorteile-bei-der-verwendung-von-stringbuilder.aspx
>

Oops it measures somehow toString(). Since multiple
toStrings() are involved in the += test case.

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Re: StringBuilder Stanimir Stamenkov <s7an10@netscape.net> - 2011-09-17 19:56 +0300
  Re: StringBuilder Jan Burse <janburse@fastmail.fm> - 2011-09-17 20:35 +0200
  Re: StringBuilder Roedy Green <see_website@mindprod.com.invalid> - 2011-09-17 15:34 -0700
    Re: StringBuilder Jan Burse <janburse@fastmail.fm> - 2011-09-18 01:33 +0200
      Re: StringBuilder Jan Burse <janburse@fastmail.fm> - 2011-09-18 01:56 +0200
      Re: StringBuilder Roedy Green <see_website@mindprod.com.invalid> - 2011-09-17 20:58 -0700
    Re: StringBuilder Peter Duniho <NpOeStPeAdM@NnOwSlPiAnMk.com> - 2011-09-17 22:44 -0700
      Re: StringBuilder Jan Burse <janburse@fastmail.fm> - 2011-09-18 09:54 +0200
        Re: StringBuilder Jan Burse <janburse@fastmail.fm> - 2011-09-18 09:59 +0200
        Re: StringBuilder Peter Duniho <NpOeStPeAdM@NnOwSlPiAnMk.com> - 2011-09-18 07:28 -0700
      Re: StringBuilder Eric Sosman <esosman@ieee-dot-org.invalid> - 2011-09-18 08:15 -0400
        Re: StringBuilder Jan Burse <janburse@fastmail.fm> - 2011-09-18 15:32 +0200
          Re: StringBuilder Eric Sosman <esosman@ieee-dot-org.invalid> - 2011-09-18 09:50 -0400
            Re: StringBuilder Stanimir Stamenkov <s7an10@netscape.net> - 2011-09-18 17:08 +0300
            Re: StringBuilder Jan Burse <janburse@fastmail.fm> - 2011-09-18 22:13 +0200
              Re: StringBuilder Jan Burse <janburse@fastmail.fm> - 2011-09-18 22:29 +0200
                Re: StringBuilder Jan Burse <janburse@fastmail.fm> - 2011-09-18 22:39 +0200
      Re: StringBuilder Roedy Green <see_website@mindprod.com.invalid> - 2011-09-19 09:45 -0700

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