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Data Structures Interview Questions
Questions Answers Views Company eMail

what is the need of data structure

11 27726

what is hashing

Infosys, Nirma,

7 13505

what is mean by d-queue?

 11 21782

example of linear and non-linear data structures?

Aricent, Infosys,

9 67021

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

 2 5484

what is a complexity of linear search,binery search?

ABB, Google,

10 37386

what is AVL tree?

ADS, TCS,

5 15247

Tell me real world example of polymorphism and encapsulation .

CybAge, Winit,

10 38751

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

CybAge, Innowe, TCS, Wipro,

2 12268

Why enum can not be used directly with printf function?

 3 6913

what is R-B tree

Wipro,

4 9567

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

Syntel,

8 41571

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

Wipro,

3 12554

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

Persistent, TCS, Wipro,

12 23922

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

TCS,

2 6975

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Un-Answered Questions { Data Structures }

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

573

How many null values are allowed in a set?

462

Write the syntax in c to create a node in the singly linked list.

542

Complete structure of hashmap, very detail description, along with the basic coding of the hashmap internal implementation.

630

What is raid (redundant array of inexpensive disks)? Explain its level?

473




What is an ordered map?

497

What happens when arraylist is full?

494

Does arraylist allow null values?

502

Write program for Bubble Sort ?

577

What are binary trees?

581

Tell me is it better to use a pointer to navigate an array of values, or is it better to use a subscripted array name?

518

How do you find the length of an arraylist?

486

What is weight balanced tree in data structure?

474

What is the height of an empty tree?

539

How are elements stored in hashset?

461

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