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

Data Structures Interview Questions

Questions Answers Views Company eMail

Differentiate between hashmap and treemap.

966

Differentiate between the singly linked list and doubly linked list.

984

Differentiate between set and map.

1151

Differentiate between collection and collections.

1076

Differentiate between iterator and listiterator.

989

Differentiate between iterable and iterator.

1087

Differentiate between failfast and failsafe.

1166

Differentiate between queue and stack.

1197

Differentiate between list and set.

1062

Differentiate between an array and an arraylist.

1062

Differentiate between hashmap and hashtable.

1108

Differentiate between list and map.

1009

Differentiate between comparable and comparator.

1024

Differentiate between arraylist and vector.

1355

Differentiate between priorityqueue and treeset.

1232

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Un-Answered Questions { Data Structures }

List the area of applications where stack data structure can be used?

913

Treemap orders the elements on which field?

905

How many types of lists are there?

1054

What is the advantage of the heap over a stack?

997

Define disjoint set adt?

930

Describe what is Node in link list? And name the types of Linked Lists?

920

Are data structures important?

935

Explain the steps to insert data into a singly linked list?

864

How does the size of arraylist increases dynamically?

908

By Which algorithm, the 8 queens problem is solved?

907

What exactly is data?

917

What are the types of linked list?

897

What do you mean by Logical Error

1028

Is arraylist fail fast?

940

How hashmap increases its size?

1005

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