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 31814

what is hashing

Infosys, Nirma,

7 15906

what is mean by d-queue?

11 25107

example of linear and non-linear data structures?

Aricent, Infosys,

9 69958

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

2 6459

what is a complexity of linear search,binery search?

ABB, Google,

10 40664

what is AVL tree?

ADS, TCS,

5 17092

Tell me real world example of polymorphism and encapsulation .

CybAge, Winit,

10 41820

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

CybAge, Innowe, TCS, Wipro,

2 13402

Why enum can not be used directly with printf function?

3 8131

what is R-B tree

Wipro,

4 11138

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

Syntel,

8 44523

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

Wipro,

3 13884

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

Persistent, TCS, Wipro,

12 28005

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

TCS,

2 8138

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Un-Answered Questions { Data Structures }

which is the simplest file structure? (Sequential, indexed, random)

1271

Which is better arraylist or linkedlist?

887

How would you sort words in a large file?

904

What are the disadvantages of linked list?

905

Can arraylist be resized?

1000

What is priority queue in data structure?

1046

There are 2 int type array data type. One is containing 50 elements, and another one is containing 30 elements. Can we assign the array of 50 elements to an array of 30 elements?

1275

How do you find the complexity of a bubble sort?

844

do records fall under linear or non linear data structures?

1736

What are AVL trees?

1076

What do you mean by hash function?

926

Explain linear linked implementation of Stack and Queue?

1063

How do we search a specific element in an array?

938

Which language is best for data structures?

957

Is arraylist better than array?

947

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