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 32211

what is hashing

Infosys, Nirma,

7 16131

what is mean by d-queue?

11 25525

example of linear and non-linear data structures?

Aricent, Infosys,

9 70320

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

2 6565

what is a complexity of linear search,binery search?

ABB, Google,

10 41004

what is AVL tree?

ADS, TCS,

5 17308

Tell me real world example of polymorphism and encapsulation .

CybAge, Winit,

10 42173

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

CybAge, Innowe, TCS, Wipro,

2 13541

Why enum can not be used directly with printf function?

3 8272

what is R-B tree

Wipro,

4 11328

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

Syntel,

8 44827

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

Wipro,

3 14027

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

Persistent, TCS, Wipro,

12 28413

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

TCS,

2 8269

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Un-Answered Questions { Data Structures }

How do you solve a selection sort?

942

Is arraylist faster than array?

967

Is tuple immutable?

911

Define a right-skewed binary tree?

985

How would you dynamically allocate a one-dimensional and two-dimensional array of integers?

1036

What do you mean by sorting?

918

Define adjacent nodes?

1134

Explain the expression trees?

1055

Define an algorithm. What are the types of algorithms?

1096

Why do we use trees in data structures?

950

How is the front of the queue calculated ?

1255

What are different dynamic memory allocation technique in c.

987

What differences exist between hashmap and hashtable?

1059

What is stack and queue in data structure?

988

What is map keyset?

936

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