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

Data Structures Interview Questions

Questions Answers Views Company eMail

Explain heapsort. What is its complexity?

Essar,

965

Can you use Bubble Sort To sort the number of elements.

iNautix,

852

What is a reverse linked list.

Aspiring Minds,

1025

Give us a program to reverse a linked list.

DELL, Genpact,

967

What is 2 dimensional linked list?

Tech Mahindra,

1000

Reverse a linked list from the middle.

Aspiring Minds,

928

Write a program to reverse a single linked list.

CGI,

935

Explain how is linked list implemented?

BPL,

927

Explain Stack

Tech Mahindra,

1008

Explain Queue

Tech Mahindra,

1052

Explain Array

Tech Mahindra,

960

Explain Linked List

Tech Mahindra,

995

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?

DELL,

1705

Provide an algorithm to reverse a linked list without using recursion.

Wipro,

928

What do you know about different sorting algorithms?

Zomato,

1044

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Un-Answered Questions { Data Structures }

What is data type explain?

1092

Why quicksort is called quick?

898

What is a data structure definition?

945

Can you tell me the differences between Array and ArrayList?

1046

What do you mean by quadratic probing?

944

Which sorting is stable?

899

What is ascii sort order?

898

How do you find the height of a binary tree?

884

What is subtree?

900

What is stack and queue in data structure?

925

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

947

Run time memory allocation is known as ?

989

How does arraylist store data?

948

What are the best data structure courses for gate preparation?

903

Differentiate between arraylist and linkedlist.

1108

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