Can we put null key in hashmap?
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What is time complexity of hashmap?
What is the logic to reverse the array?
In what order the elements of a hashset are retrieved?
Explain the expression trees?
Why is hashset used?
What do you mean by an Array?
What is collision in data structure?
Given an unsorted linked list, and without using a temporary buffer, write a method that will delete any duplicates from the linked list?
Write the recursive c function to count the number of nodes present in a binary tree.
State the difference between persistent and ephemeral data structure?
What is dynamic array with example?
What is an object array?