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From "Franz Wong (JIRA)" <j...@apache.org>
Subject [jira] Created: (COLLECTIONS-356) Request for a Many-to-Many BidiMap
Date Wed, 23 Jun 2010 09:35:50 GMT
Request for a Many-to-Many BidiMap
----------------------------------

                 Key: COLLECTIONS-356
                 URL: https://issues.apache.org/jira/browse/COLLECTIONS-356
             Project: Commons Collections
          Issue Type: New Feature
          Components: Collection
            Reporter: Franz Wong
            Priority: Minor


Currently, BidiMap supports one to one relationship. However, in real life, there are many
many-to-many relationships. Take an example of student and course. One student can take many
courses while one course contain many students. It would be useful to have a class to manipulate
such situation.

The work around currently is using 2 hash maps.

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