What is the actual datastructue used in implementation of collection and their order?

Posted by Abhishek Jain on Stack Overflow See other posts from Stack Overflow or by Abhishek Jain
Published on 2010-04-24T21:36:11Z Indexed on 2010/04/24 21:43 UTC
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java

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datastructures

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big-o

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homework

There are different collections are used in Java like hashtable, hashset, vector, treeset, treemap and hashmap. How are they implemented internally? What are the actual datastructure used for these collection? And, What is order?

Thanks, -Abhishek

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