What is a minimum spanning tree?
Differentiate between hashmap and hashtable.
What is arrays copyof?
What is meant by linked list?
What is doubly linked list in data structure?
What is an externalizable interface?
What do you know about traversal in linked lists?
What is time and space complexity of bubble sort?
Explain stacks and queues in detail.
Is an arraylist an object?
What are the advantage of linked list over array?
Differentiate null and void?
What is the difference between Array and Array List ? Explain in brief with example.
Can you list out the areas in which data structures are applied extensively?
Explain the principle of quicksort. What is its complexity?