Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.lang.java.programmer > #20020

Re: optimsed HashMap

Path csiph.com!usenet.pasdenom.info!weretis.net!feeder4.news.weretis.net!eternal-september.org!feeder.eternal-september.org!mx04.eternal-september.org!.POSTED!not-for-mail
From Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid>
Newsgroups comp.lang.java.programmer
Subject Re: optimsed HashMap
Date Fri, 30 Nov 2012 03:35:24 +0100
Organization A noiseless patient Spider
Lines 24
Message-ID <k9964h$rli$1@dont-email.me> (permalink)
References <8i70b8d0pm6ibk03ti4t2pv60jd0bctlcs@4ax.com> <k8p85p$hqr$1@dont-email.me> <8ip0b8p7blu31eub502so8cus1h9so3m9s@4ax.com> <k90les$q1j$1@dont-email.me> <ahi90qF48bvU1@mid.individual.net> <k918bb$45a$1@dont-email.me> <k918u3$686$1@dont-email.me> <k92g3k$te0$1@dont-email.me> <x0bts.20122$W21.3302@newsfe27.iad>
Mime-Version 1.0
Content-Type text/plain; charset=ISO-8859-1
Content-Transfer-Encoding 7bit
Injection-Date Fri, 30 Nov 2012 02:37:05 +0000 (UTC)
Injection-Info mx04.eternal-september.org; posting-host="5d5f9f6a9498276005118f15bdd97b36"; logging-data="28338"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+oaKXHYiBTZKIUwrAf7mAo"
User-Agent Mozilla/5.0 (Windows NT 5.1; rv:12.0) Gecko/20120428 Thunderbird/12.0.1
In-Reply-To <x0bts.20122$W21.3302@newsfe27.iad>
Cancel-Lock sha1:EswkFxq+oE17N3RqBr2etmWZfxA=
Xref csiph.com comp.lang.java.programmer:20020

Show key headers only | View raw

On 27/11/2012 23:20, Daniel Pitts allegedly wrote:
> On 11/27/12 5:44 AM, Eric Sosman wrote:
>> On 11/26/2012 9:35 PM, Daniele Futtorovic wrote:
>>>
>>> Hm. According to Roedy himself
>>> (<http://www.mindprod.com/jgloss/interned.html#UNDERTHEHOOD>), the JVM
>>> uses a HashMap for intern()'d string lookup. So there may be no point in
>>> doing it after all.
>>
>>      Here is the implementation of intern(), quoted in its
>> entirety from the Java 1.7 source:
>>
>>      public native String intern();
>>
>> Draw your own conclusions about its use of HashMap.
>>
> 
> I suspect it uses a hash map, not necessarily a HashMap. Of course, the
> underlying mechanism is probably implementation dependent.

Yeah, the camel casing was out of habit.

-- 
DF.

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

Thread

optimsed HashMap Roedy Green <see_website@mindprod.com.invalid> - 2012-11-23 17:12 -0800
  Re: optimsed HashMap Arne Vajhøj <arne@vajhoej.dk> - 2012-11-23 20:19 -0500
  Re: optimsed HashMap markspace <-@.> - 2012-11-23 17:33 -0800
    Re: optimsed HashMap Roedy Green <see_website@mindprod.com.invalid> - 2012-11-23 22:42 -0800
      Re: optimsed HashMap Roedy Green <see_website@mindprod.com.invalid> - 2012-11-24 03:34 -0800
        Re: optimsed HashMap Knute Johnson <nospam@knutejohnson.com> - 2012-11-24 08:39 -0800
          Re: optimsed HashMap Knute Johnson <nospam@rabbitbrush.frazmtn.com> - 2012-11-24 15:14 -0800
      Re: optimsed HashMap Arne Vajhøj <arne@vajhoej.dk> - 2012-11-24 13:24 -0500
      Re: optimsed HashMap markspace <-@.> - 2012-11-24 10:44 -0800
        Re: optimsed HashMap "Chris Uppal" <chris.uppal@metagnostic.REMOVE-THIS.org> - 2012-11-25 13:40 +0000
      Re: optimsed HashMap Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2012-11-26 22:03 +0100
        Re: optimsed HashMap Robert Klemme <shortcutter@googlemail.com> - 2012-11-26 23:32 +0100
          Re: optimsed HashMap Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2012-11-27 03:24 +0100
            Re: optimsed HashMap Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2012-11-27 03:35 +0100
              Re: optimsed HashMap Eric Sosman <esosman@comcast-dot-net.invalid> - 2012-11-27 08:44 -0500
                Re: optimsed HashMap Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2012-11-27 14:20 -0800
                Re: optimsed HashMap Daniele Futtorovic <da.futt.news@laposte-dot-net.invalid> - 2012-11-30 03:35 +0100
  Re: optimsed HashMap Patricia Shanahan <pats@acm.org> - 2012-11-23 19:51 -0800
    Re: optimsed HashMap "Chris Uppal" <chris.uppal@metagnostic.REMOVE-THIS.org> - 2012-11-24 10:21 +0000
      Re: optimsed HashMap Roedy Green <see_website@mindprod.com.invalid> - 2012-11-24 03:39 -0800
        Re: optimsed HashMap Robert Klemme <shortcutter@googlemail.com> - 2012-11-24 16:24 +0100
          Re: optimsed HashMap "Chris Uppal" <chris.uppal@metagnostic.REMOVE-THIS.org> - 2012-11-25 13:50 +0000
            Re: optimsed HashMap Robert Klemme <shortcutter@googlemail.com> - 2012-11-25 15:30 +0100
      Re: optimsed HashMap "Chris Uppal" <chris.uppal@metagnostic.REMOVE-THIS.org> - 2012-11-26 21:13 +0000
    Re: optimsed HashMap Arne Vajhøj <arne@vajhoej.dk> - 2012-11-24 13:16 -0500
  Re: optimsed HashMap v_borchert@despammed.com (Volker Borchert) - 2012-11-24 08:05 +0000
  Re: optimsed HashMap Silvio <silvio@internet.com> - 2012-11-26 11:57 +0100
  Re: optimsed HashMap Jim Janney <jjanney@shell.xmission.com> - 2012-11-26 11:13 -0700
  Re: optimsed HashMap Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2012-11-26 15:44 -0800
    Re: optimsed HashMap Eric Sosman <esosman@comcast-dot-net.invalid> - 2012-11-26 20:28 -0500
      Re: optimsed HashMap Arved Sandstrom <asandstrom2@eastlink.ca> - 2012-11-27 06:01 -0400
        Re: optimsed HashMap Eric Sosman <esosman@comcast-dot-net.invalid> - 2012-11-27 08:56 -0500
      Re: optimsed HashMap Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2012-11-27 14:16 -0800

csiph-web