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.

921

Differentiate between the singly linked list and doubly linked list.

937

Differentiate between set and map.

1051

Differentiate between collection and collections.

1007

Differentiate between iterator and listiterator.

956

Differentiate between iterable and iterator.

1025

Differentiate between failfast and failsafe.

1111

Differentiate between queue and stack.

1148

Differentiate between list and set.

1010

Differentiate between an array and an arraylist.

1007

Differentiate between hashmap and hashtable.

1046

Differentiate between list and map.

969

Differentiate between comparable and comparator.

972

Differentiate between arraylist and vector.

1300

Differentiate between priorityqueue and treeset.

1174

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Un-Answered Questions { Data Structures }

What data structure underlies a python list?

891

How does insertion sort works?

820

What is data and information explain with example?

895

What are the two traversal strategies used in traversing a graph?

912

Write the importance of hashing?

969

What is the difference between array and stack in data structures?

981

How do you do a heap sort?

814

What is tree in computer science?

930

How does bogo sort work?

938

When will we get ArrayStoreException?

1112

Have you ever used HashTable and Directory?

930

How can you implement a stack?

1008

What type of data structure is used to perform recursion?

864

Define the term “percolate down”?

950

What can be stored in an arraylist?

874

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