What is collections singletonmap?
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Who invented merge sort?
In what scenario, binary search can be used?
what is binary tree?
Is hashmap an array?
Are duplicates allowed in hashmap?
How efficient is binary search?
What is arrays copyof?
Define an algorithm. What are the properties of an algorithm? What are the types of algorithms?
what is mean by d-queue?
Define linked list data structure.
What is the need for path compression?
What is integer max_value?