Groups > comp.lang.java.programmer > #5835

Re: baseline performance test using java ...

Date	2011-07-03 11:45 -0700
From	Patricia Shanahan <pats@acm.org>
Newsgroups	comp.lang.java.programmer
Subject	Re: baseline performance test using java ...
References	<1309715588.716395@nntp.aceinnovative.com> <iuqcm0$tmh$2@speranza.aioe.org>
Message-ID	<vt2dnfwXi-FFJY3TnZ2dnUVZ_tqdnZ2d@earthlink.com> (permalink)

Show all headers | View raw

On 7/3/2011 11:33 AM, Abu Yahya wrote:
> On 7/3/2011 11:23 PM, lbrt chx _ gemale kom wrote:
>
>>>> ~ We have all learned we should avoid String(s) and use
>>>> StringBuffer(s) or better yet StringBuilder(s) but there is
>> ~
>>> Er, no. Strings are great ...
>> ~
>> I (obviously) meant to say String(s) if you need to build them
>> andStringBuilder(s)
>  > if you are working (most of us by now) on some multiprocessing core
>> ~
>
> If you need to build them, you'd need a StringBuilder. And if you need
> support for multiple threads AND need to modify them, you'd need a
> StringBuffer.

Often, the StringBuffer locking is not strong enough to be really
useful. If, for example, a thread needs to append two strings to the
buffer and have them appear consecutively in the resulting string, it
needs synchronization at a higher level.

Patricia

Back to comp.lang.java.programmer | Previous | Next — Previous in thread | Next in thread | Find similar

Thread

baseline performance test using java ... lbrt chx _ gemale kom - 2011-07-03 17:53 +0000
  Re: baseline performance test using java ... Eric Sosman <esosman@ieee-dot-org.invalid> - 2011-07-03 14:08 -0400
  Re: baseline performance test using java ... Abu Yahya <abu_yahya@invalid.com> - 2011-07-04 00:03 +0530
    Re: baseline performance test using java ... Patricia Shanahan <pats@acm.org> - 2011-07-03 11:45 -0700
      Re: baseline performance test using java ... Abu Yahya <abu_yahya@invalid.com> - 2011-07-04 06:52 +0530
        Re: baseline performance test using java ... lewbloch <lewbloch@gmail.com> - 2011-07-04 03:53 -0700
    Re: baseline performance test using java ... lewbloch <lewbloch@gmail.com> - 2011-07-04 03:44 -0700
  Re: baseline performance test using java ... Patricia Shanahan <pats@acm.org> - 2011-07-03 12:09 -0700
  Re: baseline performance test using java ... Patricia Shanahan <pats@acm.org> - 2011-07-04 09:54 -0700

csiph-web