Apache Commons Collections 3.2.1

Apache Software Foundation in Development \ Components and Libraries

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.


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.


Bag interface for collections that have a number of copies of each object
Buffer interface for collections that have a well defined removal order, like FIFOs
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
Type checking decorators to ensure that only instances of a certain type can be added
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
Identity map that compares objects based on their identity (==) instead of the equals method
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

Apache Commons Collections 3.2.1 Components and Libraries software developed by Apache Software Foundation. The license of this components and libraries software is shareware, you can free download and get a free trial before you buy a registration or license. Do not use illegal warez version, crack, serial numbers, registration codes, pirate key for this components and libraries software Apache Commons Collections. If you want to get a full and unlimited version of Apache Commons Collections, you should buy from original publisher Apache Software Foundation.

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