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https://issues.apache.org/jira/browse/COLLECTIONS-351?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13422502#comment-13422502
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Thomas Neidhart commented on COLLECTIONS-351:
---------------------------------------------
>From the preliminary release-notes:
Changes from commons-collections
--------------------------------
- Removed all deprecated classes and methods
- Removed FastArrayList
- use CopyOnWriteList
- Removed FastHashMap
- use ConcurrentHashMap, but beware null keys and values
- Removed FastTreeSet
- no direct replacement - use ConcurrentHashMap or synchronized TreeMap
- Removed Typed* containers such as TypedList and TypedMap
- use generics for type safety, or Collections.checked*()
- Switch Abstract*Decorator classes to expose decorated() protected method
instead of the decorated collection directly. Each class overrides decorated()
to add its type covariantly, thus getList()/getSet() etc. methods are removed
> Remove features now supported in the JDK
> ----------------------------------------
>
> Key: COLLECTIONS-351
> URL: https://issues.apache.org/jira/browse/COLLECTIONS-351
> Project: Commons Collections
> Issue Type: Task
> Reporter: Henri Yandell
> Fix For: 4.0-beta-1
>
>
> For example, IdentityMap is (from 1.4) aka java.util.IdentityHashMap. There
> are definitely going to be others.
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