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 the need of data structure

11 31835

what is hashing

Infosys, Nirma,

7 15925

what is mean by d-queue?

11 25138

example of linear and non-linear data structures?

Aricent, Infosys,

9 69973

ple.. briefly describe the purpose of having a base case and a recursive case in a recursive algorithm

2 6465

what is a complexity of linear search,binery search?

ABB, Google,

10 40683

what is AVL tree?

ADS, TCS,

5 17107

Tell me real world example of polymorphism and encapsulation .

CybAge, Winit,

10 41831

difference between the run time polymorphism and compile time poly morphism and about virtual function.

CybAge, Innowe, TCS, Wipro,

2 13409

Why enum can not be used directly with printf function?

3 8140

what is R-B tree

Wipro,

4 11146

what is the different between B-tree and B+ tree.

Syntel,

8 44542

how to search an element in sorted linked list with time complexity is O(log n).

Wipro,

3 13889

how to find the number of possible tree in the given tree.

Persistent, TCS, Wipro,

12 28018

why do tree always takes o(log n) time?

TCS,

2 8142

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Un-Answered Questions { Data Structures }

Explain about map and their types?

1017

How can you add an item to the beginning of the list?

1015

what is traversal in linked lists?

1091

What is array define its types?

956

What is time complexity of quick sort?

850

Can we insert null in hashset?

1077

What is the purpose of tochararray ()?

990

Which is faster hashmap or hashset?

943

What is linked list in data structure?

1024

Is radix sort faster than quicksort?

865

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

928

What is map keyset?

886

What is declaring array?

890

Describe the level term in a tree.

922

Why it is said that searching a node in a binary search tree is efficient than that of a simple binary tree?

983

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