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https://issues.apache.org/jira/browse/COLLECTIONS-255?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12502770
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Stephen Colebourne commented on COLLECTIONS-255:
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As a general rule, collections implementations use (b).
> Unused variable in TreeBidiMap.java
> -----------------------------------
>
> Key: COLLECTIONS-255
> URL: https://issues.apache.org/jira/browse/COLLECTIONS-255
> Project: Commons Collections
> Issue Type: Bug
> Components: BidiMap
> Affects Versions: Nightly Builds
> Reporter: Henri Yandell
> Priority: Trivial
> Fix For: 3.3
>
>
> Twice in TreeBidiMap there is an entrySet variable that is not used. Rather
> the entrySet() method returns a new TreeView every time.
> We should either:
> a) Delete the variable.
> b) Use the variable and always return the same TreeView.
> I'm thinking a).
> [Found via http://opensource.fortifysoftware.com/ ]
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