Path: csiph.com!x330-a1.tempe.blueboxinc.net!usenet.pasdenom.info!news.dougwise.org!nntpfeed.proxad.net!proxad.net!feeder1-2.proxad.net!203.109.252.33.MISMATCH!newsfeeds.ihug.co.nz!lust.ihug.co.nz!ihug.co.nz!not-for-mail
From: Lawrence D'Oliveiro <ldo@geek-central.gen.new_zealand>
Newsgroups: comp.lang.java.programmer
Subject: Re: Did the sort do anything?
Followup-To: comp.lang.java.programmer
Date: Tue, 17 May 2011 09:11:19 +1200
Organization: Geek Central
Lines: 24
Message-ID: <iqs3tn$pqm$2@lust.ihug.co.nz>
References: <eskis656eeu0of5f5do1ogdpfbdau3d06i@4ax.com> <9303hcFq0nU1@mid.individual.net> <iqgrhp$fh7$1@dont-email.me> <jsgqs61b31jq07e1tmr7d910rfacjeok5r@4ax.com> <iqq2b2$jhm$4@lust.ihug.co.nz> <N6-dnSCv9viQDE3QnZ2dnUVZ_v6dnZ2d@earthlink.com> <iqqec4$qi7$2@lust.ihug.co.nz> <kemdnZVnBva8n0zQnZ2dnUVZ_uqdnZ2d@earthlink.com> <iqr3nv$6t5$2@lust.ihug.co.nz> <noidndppmuNYrEzQnZ2dnUVZ_gednZ2d@earthlink.com>
NNTP-Posting-Host: 118-92-95-178.dsl.dyn.ihug.co.nz
Mime-Version: 1.0
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: 8Bit
X-Trace: lust.ihug.co.nz 1305580279 26454 118.92.95.178 (16 May 2011 21:11:19 GMT)
X-Complaints-To: abuse@ihug.co.nz
NNTP-Posting-Date: Mon, 16 May 2011 21:11:19 +0000 (UTC)
User-Agent: KNode/4.4.7
Xref: x330-a1.tempe.blueboxinc.net comp.lang.java.programmer:4170

In message <noidndppmuNYrEzQnZ2dnUVZ_gednZ2d@earthlink.com>, Patricia 
Shanahan wrote:

> System.identityHashCode(x) does not necessarily return the same as
> x.hashCode() ...

It says it does 
<http://developer.android.com/reference/java/lang/System.html#identityHashCode%28java.lang.Object%29>:

    The hash code returned is the same one that would be returned by the
    method java.lang.Object.hashCode(), whether or not the object's class
    has overridden hashCode().

>> “Distinct” would presumably mean “not equal”.
> 
> It means "not the same object".

It means “can be distinguished”. That is the literal meaning of “distinct”.

> For example, equality for Integer is based only on the numeric value of
> the integer the object represents.

Which brings us back to the point I made before, about whether the sort key 
is computed from the entire value or not.