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 does the dummy header in the linked list contain?

1101

How many pointers are necessary to implement a simple linked list?

1078

How can you insert a node at the end of linked list?

813

Differentiate between singly and doubly linked lists?

924

What is the difference between the hash table and hash map?

933

How does hashset work internally in java?

938

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

843

Is it possible to make an array volatile in java?

848

For searches. Which one is most preferred: array list or linked list?

880

What is a spanning tree?does the minimum spanning tree of a graph give the shortest distance between any 2 specified nodes?

833

Which is the simplest file structure?

953

Differentiate between queue and deque.

897

Differentiate between hashset and hashmap.

909

Differentiate between iterator and enumeration.

856

Differentiate between hashset and treeset.

933

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Un-Answered Questions { Data Structures }

Difference between calloc and malloc in data structures?

848

Why heap sort is not used?

823

Is linked list faster than array?

792

how to add an item to the beginning of the list?

921

What is sorting and its types?

951

What are the types of algorithms?

904

Evaluate the following prefix expression " ++ 26 + - 1324" (Similar types can be asked)

924

Why do we use dynamic arrays?

807

How can I learn data structures?

883

Are collections thread safe?

787

What is Doubly link list?

894

How to copy an array into another array?

902

Name some applications which use linked lists.

939

What is the default size of an arraylist?

863

Write a program for reversing the Single Linked List?

1047

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