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.

976

Differentiate between the singly linked list and doubly linked list.

987

Differentiate between set and map.

1180

Differentiate between collection and collections.

1089

Differentiate between iterator and listiterator.

996

Differentiate between iterable and iterator.

1102

Differentiate between failfast and failsafe.

1176

Differentiate between queue and stack.

1215

Differentiate between list and set.

1076

Differentiate between an array and an arraylist.

1071

Differentiate between hashmap and hashtable.

1119

Differentiate between list and map.

1021

Differentiate between comparable and comparator.

1047

Differentiate between arraylist and vector.

1368

Differentiate between priorityqueue and treeset.

1244

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Un-Answered Questions { Data Structures }

Define secondary clustering?

925

What is inplace sorting?

1074

State the demerit of linear representation of binary trees?

952

What is heap tree in data structure?

927

where do you use double linked list?

1063

What is two-dimensional array?

957

What is a dequeue?

974

Differentiate between the singly linked list and doubly linked list.

987

What is a concurrenthashmap?

1036

Where is binary tree used?

908

What is data structure and its operations?

855

Where is data structure used?

964

Can hashmap have same key?

881

what is traversal in linked lists?

1091

Can we sort hashmap?

892

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