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From Achim Westermann <>
Subject Re: MultiMap?
Date Wed, 14 Sep 2005 07:21:24 GMT
Thanks Henning,

I did not find it because I searched in the package. I
knew the 
shifted semantics of a multimap but after all it is still a map. Why isn't it put under the
mentioned above? Wouldn't it be a good idea?

kind regards,


Henning P. Schmiedehausen wrote:
> Achim Westermann <> writes:
>>Hi list users,
>>As a newbie to commons collection I am searching for a MultiMap: A Map with add (another
value to 
>>key) and set (replace all old values for key) operations that allows mapping multiple
values to a 
>>single key.
>>I just found a map with multiple keys for identical values...  A I blind?
> --- cut ---
> A MultiMap is a Map with slightly different semantics. Putting a value
> into the map will add the value to a Collection at that key. Getting a
> value will return a Collection, holding all the values put to that
> key.
> --- cut ---
> 	Best regards
> 		Henning

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