Which is better merge sort or quick sort?
Explain the priority queue?
What is bubble insertion selection sort?
Which is faster hashset or treeset?
Does arraylist have index?
How do you sort an arraylist?
Is pointer a variable in data structure?
Which data structure is used to perform recursion?
Explain binary tree traversals?
Is learning data structures necessary?
What is a subtree?
What is the difference between static and dynamic data?
What is the difference between list, set and map?