Why hashmap is faster than hashset?
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Which list does not allow duplicates?
What is indexing an array?
What is the need for priority queue?
what is the need of data structure
Can you list out the areas in which data structures are applied extensively?
What are the major data structures used in the following areas : network data model & hierarchical data model?
What is the use of threaded binary tree?
What can be stored in an arraylist?
How does a binary search work?
What is sequential search?
Is set sorted?
Can we use any class as map key?