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From "Stephen Colebourne" <>
Subject Re: [Collections] MultiMap status?
Date Thu, 03 Jun 2004 21:37:40 GMT
MultiMap is an interface for multiple values mapped to one key.

MultiHashMap is the sole implementation, and has had new methods added in
v3.1 (soon).

MultiKey is a standalone key class that can be used in any collection to
store multiple keys/objects in one object.

MultiKeyMap is a new v3.1 class that provides an ideal API for mapping
multiple keys to one value.

The tasks list is clearly a bit out of date, and I wouldn't particularly
want to go down the subpackage route now.

Did you have a use case not covered by the above?


----- Original Message -----
From: "Paul Gear" <>
> Just wondering what the present preferred API for using maps that allow
multiple keys is.

> The tasks list for Commons Collections says:
 MultiMap subpackage implementing a revised interface

> Where should i go if i want to work on this?

And another small question: why the restriction on spaces rather than
tabs in submitted code?  Are you trying to torture everyone who uses vi
correctly?  :-)

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