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From: Lew <noone@lewscanon.com>
Newsgroups: comp.lang.java.programmer
Subject: Re: Did the sort do anything?
Date: Tue, 17 May 2011 07:16:33 -0400
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Lawrence D'Oliveiro wrote:
> Patricia Shanahan wrote:
>> Lawrence D'Oliveiro wrote:
>>> 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().
>>
>> My sample program output showed both x.hashCode() and
>> System.identityHashCode(x) for x referencing an Integer. The values were
>> different, because Integer overrides hashCode.

> How odd, because the above documentation says otherwise.

No, it does npt.  It says that 'System.identityHashCode()' returns the same 
value as *Object* 'hashCode()', not as the 'x' type's override.  I mentioned 
this before.

-- 
Lew
Honi soit qui mal y pense.
http://upload.wikimedia.org/wikipedia/commons/c/cf/Friz.jpg