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 31376

what is hashing

Infosys, Nirma,

7 15674

what is mean by d-queue?

11 24776

example of linear and non-linear data structures?

Aricent, Infosys,

9 69647

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

2 6332

what is a complexity of linear search,binery search?

ABB, Google,

10 40361

what is AVL tree?

ADS, TCS,

5 16892

Tell me real world example of polymorphism and encapsulation .

CybAge, Winit,

10 41444

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

CybAge, Innowe, TCS, Wipro,

2 13273

Why enum can not be used directly with printf function?

3 7976

what is R-B tree

Wipro,

4 10936

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

Syntel,

8 44280

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

Wipro,

3 13746

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

Persistent, TCS, Wipro,

12 27580

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

TCS,

2 7991

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Un-Answered Questions { Data Structures }

Which sorting method is slowest?

915

What is dequeue in data structure?

862

Define probing?

1110

Can arraylist be empty?

834

What do you mean by rehashing?

1091

Explain what is B-tree?

980

What is the default size of arraylist?

916

How would you use qsort() function to sort the name stored in an array of pointers to string?

892

What is bubble sort algorithm?

916

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

840

What do you mean by articulation point?

945

What is the difference between arraylist and hashmap?

909

List the abstract operations in the set?

845

How does quicksort partition work?

921

What are the two traversal strategies used in traversing a graph?

921

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