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

Data Structures Interview Questions

Questions Answers Views Company eMail

Where is insertion sort used?

857

What is the difference between one and two dimensional?

945

Is quicksort recursive?

909

What is peek in stack?

882

Is radix sort stable?

860

What is mean by sorting?

841

Which searching algorithm is best?

838

What is difference between hashmap and map?

986

What is heap tree explain with example?

906

What is the order of selection sort?

759

Is sorting a math skill?

886

Is radix sort faster than quicksort?

826

What are different types of linked lists?

851

What is the difference between hashset and arraylist?

916

How do you sort an array by value?

794

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Un-Answered Questions { Data Structures }

What is meant by ordered and sorted in collections?

846

List out the applications of a linked list?

841

What is the advantage of circular linked list?

758

What are the benefits of using arrays?

989

Model a data structure for a DFA that takes an event as parameter and performs a desired action.

1051

Write a program using mergesort technique.

939

How do you separate zeros from non-zeros in an array?

913

What is data structure explain different types of data structures with examples?

867

Why do we use linked lists?

835

Is it possible to store null key and null values in a hashmap?

779

Which is faster hashmap or concurrenthashmap?

838

What does the dummy header in linked list contain?

1046

A lot of data structures related programs related to only trees and graphs, like the diameter of a tree, removing the loops in a graph etc.

978

Write a data structure for a queue.

1156

What is the need for extendible hashing?

916

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