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Summary of Collections

In this Blog i am explaining about the overview of collection. what is a collection ,how many interfaces are there in collection what are the common method for all implementation of collection interfaces.
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In this blog,  how the LinkedList and the methods given by LinkedList will work is explained. How the doubly-LinkedList data structure works is explained in this blog.  In which scenarios we should use LinkedList will be understand by this blog.
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Array List

Arraylist is the implementation class given for the List interface .It has some predefined methods . In this blog we can understand how to use these predefined methods and under which circumstances we should go for ArrayList. We can also understand under which data structure ArrayList works and how it works .
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