What happens if we try to insert duplicate key in hashmap?
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Define a binary tree?
Explain pre-order and in-order tree traversal.
Does hashset maintain order?
What are lists?
How do arrays work?
If I try to add enum constants to a treeset, what sorting order will it use?
What is the bucket size, when the overlapping and collision occur at the same time?
What is a matrix? Explain its uses with an example
What is merge sort and how it works?
what is traversal in linked lists?
How can a binary tree be represented using the rotation?
write an algorithm to show the procedure of insertion into a b-tree?