[5117] in java-interest
Re: Strings.substring() and the == operator
daemon@ATHENA.MIT.EDU (James Waldrop)
Mon Jan 29 16:47:45 1996
To: Mike Paluka <mikep@exmachina.com>
cc: Pat Niemeyer <pat@icon-stl.net>, java-interest@java.sun.com
In-reply-to: Your message of "Mon, 29 Jan 1996 12:46:05 EST."
<199601291746.MAA07372@exmachina.com>
Date: Mon, 29 Jan 1996 12:25:42 -0800
From: James Waldrop <sulam@construct.net>
Mike Paluka wrote:
>At 05:23 AM 1/28/96 -0600, you wrote:
>>
>>
>>On Sun, 28 Jan 1996, Walter Szewelanczyk wrote:
>>
>>"==" is a test for identity not for equality.
>>You should always use equals() instead.
>>
>
>I'm glad you pointed this out.
>
>This is inconsistent and, in my opinion, a bad choice of behaviour
>for the equality operator (==) on strings.
>
>Will "intX == intY" return false if they refer to separate memory
>locations? Of course not.
>
>Why did you do this to us, Arthur?
This is actually fairly typical behavior for strings in a lot of
different implementations. There is nothing terribly controversial
about it...
James
--
James Waldrop / Technical Director
sulam@construct.net / Construct Internet Design
sulam@well.com / http://www.construct.net
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