Review Request CR#7118743 : Alternative Hashing for String with Hash-based Maps

Ulf Zibis Ulf.Zibis at
Sat May 26 19:05:59 UTC 2012

Am 26.05.2012 21:00, schrieb Ulf Zibis:
>>> But I still think, we should implement a more general approach according my last post.
>> It seems to be overkill to me and of very limited value. New Map implementations could be created 
>> by third parties if this is useful to some users.
> The big problem for all later implementations would be, that they can't profit from an internal 
> cache field in String, if it is not publicly accessible, as class String can't be subclassed, same 
> for Java arrays.
> Additionally, if HashMap.hash() can't be overridden, one should duplicate the whole code of 
> HashMap for an alternative implementation.
Additionally we would get rid from the instanceof problem by my approach.

> -Ulf

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