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From "Stephen Colebourne" <>
Subject [ANNOUNCEMENT] Commons Collections 3.1 released
Date Mon, 28 Jun 2004 23:56:37 GMT
The Commons Collections team is pleased to announce the release of Commons
Collections 3.1. Commons Collections provides additional interfaces and
implementations based on, and inspired by, the Java Collections Framework
(Collection, List, Set, Map).

This release fixes a number of bugs in v3.0 and is fully compatible. Release
v3.1 is also compatible with v2.1.1 enabling a workaround of previous
compatability issues in IteratorUtils. In addition to bug fixes, this
release adds various new features including:
* TreeList - A new list implementation that is faster than ArrayList in
certain use cases
* MultiKeyMap - A dedicated map implementation to support combined keys
mapping to a value
* ReferenceIdentityMap - An identity based map whose keys/values can be
garbage collected
* Many more Serializable classes

Read the Release notes:

Download the binary distribution:

Download the source distribution:

Browse the collections website:

Please direct any feedback on issues or bugs to

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