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?

1054

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

942

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

1080

Which data structures are used in bfs and dfs algorithm?

1087

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

893

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

1070

What is the difference between push and pop?

1149

Define the tree data structure.

943

List some applications of tree-data structure?

934

What are the advantages of binary search over linear search?

1092

Mention the data structures which are used in graph implementation.

927

What are the advantages of selecetion sort?

1158

List some applications of multilinked structures?

933

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

1462

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

1324

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Un-Answered Questions { Data Structures }

Two linked lists are given, find out the sum of them without altering the linked list?

1012

Differentiate between the singly linked list and doubly linked list.

1029

Mention the advantages of representing stacks using linked lists than arrays?

957

Define a set?

1000

How to print element of Array?

1077

How do I use quick sort?

910

What is a vector element?

946

What do you mean by sorting data?

941

What is the use of bubble sort?

924

Explain about the different lists available in the collection?

917

How does arraylist store data?

1014

What is best time complexity?

893

How does dynamic memory allocation help in managing data?

1586

How does a treemap sort?

885

What do you mean by quadratic probing?

1001

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