What is the difference between binary tree and binary search tree?
Why is treeset sorted?
What are the types of queues?
On clicking a node in a tree, all the adjacent edges are turned on. Calculate min of clicks such that all the edges are turned on.
What is the difference between a hashmap and hashtable?
What are the differences between b tree and b+ tree?
What type of data structure is used to perform recursion?
Where is binary tree used?
Suppose in an integer array, there is 1 to 100 number, out of one is duplicate, how to find?
Differentiate between queue and deque.
What is meant by hashing?
What is a treemap used for?
How do I push an element into a stack?