Groups > comp.lang.java.programmer > #7851

Re: string case clauses

Date	2011-09-11 21:56 -0400
From	Arne Vajhøj <arne@vajhoej.dk>
Newsgroups	comp.lang.java.programmer
Subject	Re: string case clauses
References	<2oop671bkkrj4kg2cn59nq46ns1qg0n0qe@4ax.com> <j4ipg0$or7$1@dont-email.me> <rmdq67llms44km62upf66g787nnlai0ulc@4ax.com>
Message-ID	<4e6d66b4$0$314$14726298@news.sunsite.dk> (permalink)
Organization	SunSITE.dk - Supporting Open source

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On 9/11/2011 6:33 PM, Roedy Green wrote:
> On Sun, 11 Sep 2011 12:00:15 -0500, Joshua Cranmer
> <Pidgeot18@verizon.invalid>  wrote, quoted or indirectly quoted someone
> who said :
>> 1. Switch on the hashcode.
>> 2. Verify string equalities using a linear switch for all strings that
>> have the same hashcode.
>
> ouch.  That amounts to a linear search comparing hashcodes.  So it is
> not a good idea to replace HashMap lookups with String switches.

Is anything different from int in pre-1.7?

Arne

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Thread

string case clauses Roedy Green <see_website@mindprod.com.invalid> - 2011-09-11 09:35 -0700
  Re: string case clauses Joshua Cranmer <Pidgeot18@verizon.invalid> - 2011-09-11 12:00 -0500
    Re: string case clauses Roedy Green <see_website@mindprod.com.invalid> - 2011-09-11 15:33 -0700
      Re: string case clauses Arne Vajhøj <arne@vajhoej.dk> - 2011-09-11 21:56 -0400
        Re: string case clauses Lew <lewbloch@gmail.com> - 2011-09-11 20:54 -0700
          Re: string case clauses Arne Vajhøj <arne@vajhoej.dk> - 2011-09-12 18:58 -0400
      Re: string case clauses Peter Duniho <NpOeStPeAdM@NnOwSlPiAnMk.com> - 2011-09-11 20:05 -0700
        Re: string case clauses Roedy Green <see_website@mindprod.com.invalid> - 2011-09-14 12:13 -0700
          Re: string case clauses Patricia Shanahan <pats@acm.org> - 2011-09-14 12:36 -0700
          Re: string case clauses Peter Duniho <NpOeStPeAdM@NnOwSlPiAnMk.com> - 2011-09-14 18:01 -0700
            Re: string case clauses Lew <lewbloch@gmail.com> - 2011-09-14 20:05 -0700

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