confusing java data structures

Posted by London on Stack Overflow See other posts from Stack Overflow or by London
Published on 2010-05-24T10:34:01Z Indexed on 2010/05/24 10:41 UTC
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Maybe the title is not appropriate but I couldn't think of any other at this moment. My question is what is the difference between LinkedList and ArrayList or HashMap and THashMap .

Is there a tree structure already for Java(ex:AVL,Black-white) or balanced or not balanced(linked list). If this kind of question is not appropriate for SO please let me know I will delete it. thank you

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confusing java data structures

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