Can we add duplicate keys in a hashmap?
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Why is it called bubble sort?
If you have to store one lakh objects, what will be a better option- a hash map or an array list?
What is the complexity of selection sort?
Explain the Stack
What is meant by binary tree traversal?
Explain pre-order and in-order tree traversal.
State the demerit of linear representation of binary trees?
Explain the most efficient method to reverse a linked list?
Write a Program for Reverse a linked list.
What is link list in data structure?
How do you balance a tree?
What is the difference between linked list and array?