Why null is allowed in hashmap?
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What is the easiest sorting method to use in data structures?
Is bucket sort stable?
Define left-in threaded tree?
How to sequentially represent max-heap?
Define hashing?
How do you initialize an arraylist?
What is fibonacci search?
What do you mean by rehashing?
What are the advantages of linked list over an array?
Which is better hashmap or hashtable?
Is quicksort divide and conquer?
Explain the terms base case, recursive case, binding time, run-time stack and tail recursion.