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From: Robert Klemme <shortcutter@googlemail.com>
Newsgroups: comp.lang.java.programmer
Subject: Re: Usefulness of "final" (Was: Re: Inserting In a List)
Date: Fri, 05 Apr 2013 21:54:46 +0200
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On 04/04/2013 11:29 PM, markspace wrote:
> On 4/4/2013 1:53 PM, Robert Klemme wrote:
>> Immutability (or constness) of an object is a tricky concept.  There are
>> at least two useful and totally reasonable definitions:
>>
>> 1. State (as in: bit patterns in memory) of a const object never changes.
>>
>> 2. The user of a const object can never observe any state changes; put
>> differently: all methods of a constant object always return the same
>> results for the same inputs.

>> You can also see that from the development C++ took: keyword "mutable"
>
> I think it's a mistake to conflate Java with other languages.

I didn't conflate anything.  I used features of another language to 
illustrate aspects of the concept constness / immutability.

Cheers

	robert