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

Data Structures Interview Questions

Questions Answers Views Company eMail

State the merit of linked representation of binary trees?

938

Define a priority queue?

1123

Write an algorithm for inserting and deleting an element from doubly linked list?

915

What is a threaded binary tree? Explain its operation with example?

1140

Write the algorithm for converting infix expression to postfix expression?

964

What are the tasks performed during postorder traversal?

952

What is the use of threaded binary tree?

993

State the different types of linked lists?

945

List the basic operations carried out in a linked list?

1034

Define left-in threaded tree?

859

State the demerit of linear representation of binary trees?

950

State the rules to be followed during infix to prefix conversions?

1047

Define a queue?

1014

What do you mean by general trees?

1014

Write the procedure to convert general tree to binary tree?

1062

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Un-Answered Questions { Data Structures }

How does hashset maintain order?

952

What is sort in data structure?

882

What is the need of sorting?

909

Explain quick sort?

959

State the rules to be followed during infix to postfix conversions?

1159

What does arraylist remove do?

1004

Write a program using mergesort technique.

1005

How to use appendNode() in linkedlist()?

1089

What is difference between tree and binary tree?

978

Which is faster treemap or hashmap?

898

What is a map programming?

949

Explain binary searching and Fibinocci search?

957

Write an algorithm to show the postfix expression with the input given as : a b + c d +*f ? .

916

What is a linear search?

1017

Does hashmap allow duplicate keys?

1008

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