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Internal Implementation of HashMap in Java 8

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Internal Implementation of HashMap in Java 8

This Video describe the Internal implementation of HashMap in Java 8. In Java 8 if bucket contains too many entries then after TREEIFY_THRESHOLD it converts Linked List into Tree. The data structure which is chosen for this is TreeNode (it contains four pointers Prev, Parent, Left and Right) Now internal complexity of Bucket is O(log n) rather ...

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