Data Structures Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Data Structures Interview Questions

Questions Answers Views Company eMail

What differences exist between hashmap and hashtable?

977

Write the c program to insert a node in circular singly list at the beginning.

898

which notations are used in evaluation of arithmetic expressions using prefix and postfix forms?

1010

Which data structures are used in bfs and dfs algorithm?

1036

How can avl tree be useful in all the operations as compared to binary search tree?

838

Write the syntax in c to create a node in the singly linked list.

1019

What is the difference between push and pop?

1094

Define the tree data structure.

879

List some applications of tree-data structure?

881

What are the advantages of binary search over linear search?

1031

Mention the data structures which are used in graph implementation.

870

What are the advantages of selecetion sort?

1085

List some applications of multilinked structures?

882

What are the scenarios in which an element can be inserted into the circular queue?

1401

How to reference all the elements in a one-dimension array?

1271

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Un-Answered Questions { Data Structures }

Can you please explain the difference between string and an array?

1117

What are the disadvantages of representing a stack or queue by a linked list?

922

Which is better hashmap or treemap?

961

Why do we use arrays?

901

If you are using c language to implement the heterogeneous linked list, what pointer type should be used?

1053

What are stacks? Give some of its applications.

972

What is difference between hashmap and hashset?

967

What is bubble sort and quick sort?

942

What is the use of heap sort?

822

List the data structures which are used in hierarchical data model.

946

what is traversal in linked lists?

1087

How can we delete the first node from the singly linked list?

947

How many sorting are there in data structure?

877

What is integer max_value?

857

What is binary tree give example?

915

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