Can you make an arraylist of arrays?
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If we try to add duplicate key to the hashmap, what will happen?
Is int a data structure?
What is the structure of an array?
What's difference between stack and queue?
How do arrays work?
Define open addressing?
Which list does not allow duplicates?
Why it is said that searching a node in a binary search tree is efficient than that of a simple binary tree?
Why you need a data structure?
Describe tree rotation in avl tree.
What is stack push?
Which sorting algorithm has minimum number of swaps?