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From "Thomas Neidhart (JIRA)" <>
Subject [jira] [Updated] (COLLECTIONS-356) Request for a Many-to-Many BidiMap
Date Thu, 18 Apr 2013 21:22:13 GMT


Thomas Neidhart updated COLLECTIONS-356:

    Fix Version/s: 4.x
> Request for a Many-to-Many BidiMap
> ----------------------------------
>                 Key: COLLECTIONS-356
>                 URL:
>             Project: Commons Collections
>          Issue Type: New Feature
>          Components: Collection
>            Reporter: Franz Wong
>            Priority: Minor
>             Fix For: 4.x
> 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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