What is stack algorithm?
How remove all from arraylist?
Differentiate bfs and dfs?
What is sorting in data structure?
What is the complexity of adding an element to the heap?
What is pivot in quicksort?
What is difference between treeset hashset linkedhashset?
Complete structure of hashmap, very detail description, along with the basic coding of the hashmap internal implementation.
Which collection type is used to maintain uniqueness of data structure?
What is the use of data structure?
What are data members?
Two linked lists are given, find out the sum of them without altering the linked list?
How do you rotate an AVL tree?