Data Structures Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Data Structures Interview Questions

Questions Answers Views Company eMail

applications of stacks and their uses?

Mind Tree, Samsung,

1 5730

simple algorithm for bubble sort?

1 4551

applications of linked lists and mostly used linked list?

3 6707

how a polynomial such as 6x^6+4x^3-2x+10 can be represnted by linked list?write an algorithm that reads such an polynomial

1 5852

input function and output function in c language

TCS,

2 5715

What is Storage Structures and File Structures? Can you show their relation? What are the examples of each? Thanks

2535

No. of possible ordered trees with n nodes ? Please give formula (if any).

CodeChef,

2 10913

why it is difficult to store linked list as an array?

1 3185

do records fall under linear or non linear data structures?

1724

Write a data structure for a queue.

Tavant Technologies, Zensar,

1219

Tell me about the different sorting techniques.

Visa,

906

Design a datastructure to represent the movement of a knight on a chess board

Amazon,

948

What are the average and worst time complexity in a sorted binary tree is

TCS,

962

What is a B tree?

Akamai Technologies,

986

Is Linked List 'linear' or 'Non-linear' data structure?

Accenture,

1 2022

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Un-Answered Questions { Data Structures }

What are hashmaps good for?

878

Explain the terms base case, recursive case, binding time, run-time stack and tail recursion.

878

How does arraylist size work?

879

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?

914

Which is faster hashmap or hashtable?

911

For addition and deletion. Which one is most preferred: array list or linked list?

882

What is a subtree in data structures?

958

What is collections singletonmap?

849

What are the advantages and disadvantages of linked list?

862

What is Doubly link list?

941

What is sort order?

836

What do you mean by an Array?

937

write a program to show the insertion and deletion of an element in an array using the position

868

Is boolean a data type?

948

Is quicksort recursive?

959

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