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Data Structures Interview Questions
Questions Answers Views Company eMail

What does the dummy header in the linked list contain?

 738

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

 665

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

 479

Differentiate between singly and doubly linked lists?

 500

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

 508

How does hashset work internally in java?

 501

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

 503

Is it possible to make an array volatile in java?

 502

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

 539

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

 493

Which is the simplest file structure?

 545

Differentiate between queue and deque.

 505

Differentiate between hashset and hashmap.

 505

Differentiate between iterator and enumeration.

 511

Differentiate between hashset and treeset.

 530

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Un-Answered Questions { Data Structures }

What are the advantages of modularity?

499

Can sets contain duplicates?

447

Is hashmap ordered?

525

Are linked lists considered linear or non-linear data structure?

606

Which sorting algorithms are in place?

478




Is data structures and algorithms important?

484

What is difference between hashmap and linkedhashmap?

453

Is list same as array?

458

What is a hashset?

486

Two linked lists are given, find out the sum of them without altering the linked list?

546

What are the disadvantages of circular list?

492

Why is sorting necessary?

466

Is quicksort divide and conquer?

495

What is linear and non linear structure?

480

Is hashmap a data structure?

524

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