What is binary tree and its types?
How to get top two numbers from an array?
What is the difference between list, set and map?
What is a data structure?
What is a priority queue?
Is heap sort faster than quicksort?
Is null a binary search tree?
Which sorting is best for large data?
Compare Queue and Topic ?
What should I learn first data structures or algorithms?
Which is faster quick sort or merge sort?
What are the operations that can be performed on a stack?
Is arraylist synchronized?