Re: Need clarification on Object.equals.

From:
=?ISO-8859-1?Q?Arne_Vajh=F8j?= <arne@vajhoej.dk>
Newsgroups:
comp.lang.java.programmer
Date:
Tue, 18 Dec 2012 22:16:00 -0500
Message-ID:
<50d13174$0$283$14726298@news.sunsite.dk>
On 12/18/2012 3:17 PM, plewto@gmail.com wrote:

On Tuesday, December 18, 2012 2:14:58 PM UTC-6, ple...@gmail.com wrote:

On Tuesday, December 18, 2012 1:01:51 PM UTC-6, David Lamb wrote:

On 18/12/2012 1:48 PM, p...mail.com wrote:

On Tuesday, December 18, 2012 12:24:44 PM UTC-6, markspace wrote:

Show us the implementation of equals() for Node (and probably Gate too,
that version of equals() could also be borked in the example you gave)
and we'll point out the error.

It is complex because it is a large application. I can either post the several hundred lines
of source or the the 6 which adequately illustrates the point.

There's likely not much people can do to help without more context. The
"6 lines" don't adequately "illustrate the point" because from them
alone nobody can say for sure what your problem is. Roedy's guess might
be the best advice you're going to get.


Yes I understand that. In fact, as I pointed out in a subsequent
post, none of my code defines equals, Node was however extending
AbstractSet which does redefine it. Really All I was looking for was a
general direction I might look and not to burden anyone with large
blocks of code. Node is 212 lines, Gate is 67, Monitor another 85, none
of which even once mentions the word "equals"

My issue with Roedy's response was not the helpful suggestion to
lookat super classes but rather that it comes off as lecturing,

 >> and frankly rather condescending.

Im sorry I meant markspace's responce not Roedy's


You had a problem.

A problem which is relative easy to troubleshoot with
some basic Java knowledge.

You posted the problem here with absolutely no information
to help identify the problem.

What do you expect?

We can not do anything but provide some guesses the presence of
an equals in a class or parent class - and explain some basics
about how equals work.

So stop whining and learn to post better questions.

Arne

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