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,

1029

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

iNautix,

909

What is a reverse linked list.

Aspiring Minds,

1083

Give us a program to reverse a linked list.

DELL, Genpact,

1028

What is 2 dimensional linked list?

Tech Mahindra,

1049

Reverse a linked list from the middle.

Aspiring Minds,

976

Write a program to reverse a single linked list.

CGI,

985

Explain how is linked list implemented?

BPL,

997

Explain Stack

Tech Mahindra,

1074

Explain Queue

Tech Mahindra,

1113

Explain Array

Tech Mahindra,

1028

Explain Linked List

Tech Mahindra,

1060

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,

1747

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

Wipro,

985

What do you know about different sorting algorithms?

Zomato,

1151

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Un-Answered Questions { Data Structures }

Is array a collection?

966

How many types of arrays are there in visual basic?

994

How hashmap increases its size?

1056

Define static data structures?

1052

Is Arraylist faster than Array? Why?

1073

What is priority queue in data structure?

1110

What do you know about different sorting algorithms?

1151

What is a data structure? What are the types of data structures?

1088

Is queue fifo or lifo?

932

Is array immutable?

964

What is merge sort and how it works?

877

Define indegree of a graph?

1125

What is the main advantage of a linked list?

1078

How to find middle element of linked list in one pass?

988

What is a treemap chart?

900

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