Data Structures Interview Questions
Questions Answers Views Company eMail

Who invented merge sort?

473

Why do we need searching algorithms?

608

Why do we need to use computers to help us sort lists?

565

What is linked hash set?

464

Why is quicksort faster than merge sort?

518

What is circular queue example?

464

What is a stable sort?

509

Which time complexity is best?

477

What does it mean to sort an array?

465

What is an example of an algorithm?

477

What is ds heap sort?

481

What is an object array?

516

What is a vector class?

480

How do you sort pseudocode?

491


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Un-Answered Questions { Data Structures }

What are different techniques for making hash function? Explain with example.

536


What are all the classes and interfaces that are available in the collections?

490


Can we give size to arraylist?

490


Is there any difference between int[] a and int a[]?

562


How to find the missing element in integer array of 1 to 7?

520






What is the difference between arrays sort and collections sort?

432


How do you do a heap sort?

469


How can you represent a linked list node?

544


Is pointer a variable?

499


Describe full binary tree and complete binary tree.

493


What is meant by ordered and sorted in collections?

537


Explain the principle of quicksort. What is its complexity?

581


What is data type with example?

505


Can array store heterogeneous data?

454


What is vector and types of vector?

479