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 is a postfix expression?

998

Differentiate between file and structure storage structure.

956

What are dynamic data structures?

2 1348

What is a linear search?

1017

Are linked lists considered linear or non-linear data structures?

983

Briefly explain recursive algorithm?

1029

What is fibonacci search?

992

Explain binary search tree?

949

In what data structures are pointers applied?

976

What is a graph?

3 2002

Differentiate stack from array?

943

Give a basic algorithm for searching a binary search tree?

827

What is the minimum number of queues needed when implementing a priority queue?

1006

What is the advantage of the heap over a stack?

1001

What are the parts of a linked list?

1041

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Un-Answered Questions { Data Structures }

What is the time complexity of selection sort?

840

What is data structure and why we need them?

880

Complete structure of hashmap, very detail description, along with the basic coding of the hashmap internal implementation.

1096

What is the difference between hashset and treeset?

995

Is array of data structure?

838

What is linear-logarithm chasm?

1025

What do you mean by an Array?

945

Can we null keys in treemap?

1001

What are the types of queues?

1088

What is the prerequisite for binary searching?

1041

Which is faster hashmap or linkedhashmap?

914

Name some applications which use linked lists.

995

What is nsmutablearray?

844

Does treemap sort automatically?

935

Why is data structure?

867

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