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 main advantage of a linked list?

935

How can we reverse a singly linked list?

937

How can you represent a linked list node?

907

Explain multiply linked list in short.

877

How many types of linked list exist?

919

Which type of memory allocation is referred for linked list?

1144

How will you explain circular linked list?

850

Name some applications which use linked lists.

950

How can you add an item to the beginning of the list?

953

How can we remove loops in a linked list? What are the functions of fast and slow pointers?

1109

How can you insert a node to the beginning of a singly linked list?

894

What do you understand by doubly linked list?

867

What do you know about traversal in linked lists?

862

What are the main differences between the linked list and linear array?

931

How will you represent a linked list in a graphical view?

1006

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Un-Answered Questions { Data Structures }

What are the disadvantages of representing a stack or queue by a linked list?

882

What will be the output of below code?

979

How many types of searching are there in data structure?

793

Is hashmap fail safe?

923

What is the use of sorting the data?

873

Briefly explain recursive algorithm?

973

When is a graph said to be weakly connected?

945

Define static data structures?

935

What is a Breadth First Search? Give a few of its applications.

846

Define double hashing?

899

What are the 3 types of variables?

847

Why does hashset use hashmap?

877

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

929

Which collection class is thread safe?

798

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

853

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