Apr 13, 2012

Collections Framework

A collection is a container that helps to group multiple elements into a single unit. collections help to store, retrieve and manipulate data.
In java, the collections framework provides a set of interfaces and classes for storing and manipulating groups of objects in a standardized way. The collections framework was developed with following objectives in mind:
Ø      High performance
                  It should be of high-performance.
Ø      Interoperability
The different types of collections should work similar to each other and should have    interoperability
Ø      Easy to extend
                  It should be easy to extend a collection.


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