Short Description

The Apache Commons Collections Library.

The Java Collections Framework was a major addition in JDK 1.2. It added many powerful data structures that accelerate development of most significant Java applications. Since that time it has become the recognised standard for collection handling in Java.

https://commons.apache.org/proper/commons-collections/

Distributed on the Apache License, Version 2.0

Team: BIA (Bio Image Analysis)
Institution: Institut Pasteur
Website: http://icy.bioimageanalysis.org/

Documentation

The Java Collections Framework was a major addition in JDK 1.2. It added many powerful data structures that accelerate development of most significant Java applications. Since that time it has become the recognised standard for collection handling in Java.

Commons-Collections seek to build upon the JDK classes by providing new interfaces, implementations and utilities. There are many features, including:

Bag interface for collections that have a number of copies of each object
BidiMap interface for maps that can be looked up from value to key as well and key to value
MapIterator interface to provide simple and quick iteration over maps
Transforming decorators that alter each object as it is added to the collection
Composite collections that make multiple collections look like one
Ordered maps and sets that retain the order elements are added in, including an LRU based map
Reference map that allows keys and/or values to be garbage collected under close control
Many comparator implementations
Many iterator implementations
Adapter classes from array and enumerations to collections
Utilities to test or create typical set-theory properties of collections such as union, intersection, and closure

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Changelog

  • Version 4.1.0.0 • Released on: 2019-08-01 15:00:00
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    Description:

    Initial release