Data Structures Interview Questions
Questions Answers Views Company eMail

Why is quicksort not stable?

442

What is declaring array?

471

Why sorting algorithms are important?

526

What is collections singletonlist?

486

What is a hash in programming?

481

What is map keyset?

461

What is a map in programming?

432

What is an ordered map?

488

Who created quicksort?

513

Why sorting is done?

487

Why do we need linked list?

438

What is insertion sort technique?

479

What is binary search in programming?

490

Why do we need to recycle?

446

Why would we use dynamically allocated arrays vs vectors?

433


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Un-Answered Questions { Data Structures }

What is the difference between data type and data structure?

450


Explain what are the notations used in evaluation of arithmetic expressions using prefix and postfix forms?

518


What do you mean by heap order property?

580


What are the disadvantages of linked list?

453


Questions related to arrays, such as given a 2 integer array, find the common elements.

517






What is sorting in math?

511


Define back edge?

554


Which is faster array or list?

490


What are the difference between arraylist and linkedlist from the perspective of sorting?

541


Which sort is stable?

533


Explain the uses of binary tree.

485


What are the types of binary tree?

489


Is radix sort faster than quicksort?

487


What is ascii sort order?

450


Why is map not a collection?

450