Data Structures Interview Questions
Questions Answers Views Company eMail

What is the need for path compression?

740

Define a relation?

716

What do you mean by balanced trees?

737

Define depth and height of a tree?

790

Define forest?

760

What are the properties of binary heap?

750

Define degree of the node?

760

What are the major data structures used in the following areas : network data model & hierarchical data model?

775

What are the applications of b-tree?

744

When is a graph said to be weakly connected?

689

What do you mean by the term “percolate down”?

668

Define data type and what are the types of data type?

700

Name two algorithms two find minimum spanning tree?

706

What are the advantages of modularity?

684

What do you mean by hash table?

755


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Un-Answered Questions { Data Structures }

What is a stable sorting algorithm?

769


What are binary search and fibonacci search?

695


What is difference between array and arraylist? When will you use array over arraylist?

709


What is unmodifiable list?

689


What is the use of data structure?

684


State the merit of linked representation of binary trees?

712


What is the difference between binary tree and binary search tree?

708


Explain the Stack

727


There is a program which inserts and deletes node in a sorted singly linked list. There is a bug in one of the modules, how would you debug it?

1511


Which is faster hashset or treeset?

724


Why sorting algorithms are important?

708


What does sorting an array do?

702


How do you declare A pointer to array of three chars

710


Can arraylist be empty?

642


What is a string array?

671