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 31802

what is hashing

Infosys, Nirma,

7 15898

what is mean by d-queue?

11 25097

example of linear and non-linear data structures?

Aricent, Infosys,

9 69950

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

2 6456

what is a complexity of linear search,binery search?

ABB, Google,

10 40658

what is AVL tree?

ADS, TCS,

5 17087

Tell me real world example of polymorphism and encapsulation .

CybAge, Winit,

10 41814

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

CybAge, Innowe, TCS, Wipro,

2 13400

Why enum can not be used directly with printf function?

3 8128

what is R-B tree

Wipro,

4 11131

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

Syntel,

8 44517

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

Wipro,

3 13881

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

Persistent, TCS, Wipro,

12 27993

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

TCS,

2 8136

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Un-Answered Questions { Data Structures }

Which sorting algorithm is worst?

894

Why would we use dynamically allocated arrays vs vectors?

877

What are hash tables good for?

914

What is the advantage of the heap over a stack?

1001

What are binary search and fibonacci search?

961

What is hashing technique? Describe in brief.

1018

How do you find the number of comparisons in bubble sort?

884

What are the advantages and disadvantages of copyonwritearraylist?

1128

What is binary search in data structure?

903

List out the basic operations that can be performed on a stack?

882

How do you sort pseudocode?

878

Which sorting is used in collections sort?

876

What is difference between array and string?

992

What is bubble sort and selection sort?

970

What package is arraylist?

1040

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