Define a path in a tree?
Traverse the given tree using Inorder, Preorder and Postorder traversals. Inorder : D H B E A F C I G J Preorder: A B D H E C F G I J Postorder: H D E B F I J G C A
Define non-linear data structures?
Explain stacks and queues in detail.
Differentiate between hashset and treeset.
Can we store null in arraylist?
How do you separate zeros from non-zeros in an array?
What is worst case complexity algorithm?
What are the difference between arraylist and linkedlist from the perspective of sorting?
Name few classes that implement collection interface?
How do you initialize an arraylist?
Explain what is a spanning tree?
Write a Program for Delete an element from a doubly linked list.