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 are the disadvantages of circular list?

971

Sorting is not possible by using which of the methods?

918

What is sequential search?

938

What is the difference between a stack and an array?

1072

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

924

What is a priority queue?

953

What is dangling pointer and how to avoid it?

958

What is bubble sort?

897

Differentiate between push and pop?

1256

What are the difference between a stack and a queue?

960

What is a matrix? Explain its uses with an example

1145

Write an algorithm to show the postfix expression with the input given as : a b + c d +*f ? .

914

What is sequential search? What is the average number of comparisons in a sequential search?

805

Define an algorithm. What are the properties of an algorithm? What are the types of algorithms?

915

What does simulation of queues mean?

1001

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Un-Answered Questions { Data Structures }

What do you mean by double hashing?

1048

Can a hashmap have duplicate keys?

925

How to do the intersection of two sorted arrays?

1028

What is the order of b tree?

927

How does selection sort work?

893

Why is data structure needed?

951

When is a binary search best applied?

878

What differences exist between hashmap and hashtable?

980

What are the different binary tree traversal techniques?

1016

How is a queue works?

953

State the properties of b tree.

1041

Why is it called bubble sort?

881

What are data structures in programming?

963

What is a spanning tree?does the minimum spanning tree of a graph give the shortest distance between any 2 specified nodes?

890

Define an algorithm.

969

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