Data Structures Interview Questions
Questions Answers Views Company eMail

Why is quicksort not stable?

447

What is declaring array?

472

Why sorting algorithms are important?

530

What is collections singletonlist?

488

What is a hash in programming?

482

What is map keyset?

462

What is a map in programming?

434

What is an ordered map?

489

Who created quicksort?

517

Why sorting is done?

490

Why do we need linked list?

441

What is insertion sort technique?

481

What is binary search in programming?

492

Why do we need to recycle?

447

Why would we use dynamically allocated arrays vs vectors?

435


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Un-Answered Questions { Data Structures }

Define articulation point?

708


Which one is the simplest sorting in data structure?

621


Explain the Complete structure of hashmap along with the basic coding of the hashmap internal implementation.

591


Why heap sort is not used?

473


What is a Queue? Explain its operation with example?

512






What is the non linear data structure?

470


What are the advantages of sorting and filtering data?

488


What do you mean by quadratic probing?

554


What are the types of queues?

574


Define terminal nodes in a tree?

555


Who invented quicksort?

504


Write a data structure for a queue.

564


Which collection allows null values?

488


What's the difference between an array and vector?

497


How do you sort an array in decreasing order?

463