Data Structures Interview Questions
Questions Answers Views Company eMail

Is arraylist a list?

446

Does treeset allow duplicates?

455

Is linkedlist thread safe?

452

Can you make an arraylist of arrays?

563

Can we remove element from arraylist while iterating?

492

How do you find the size of an arraylist?

401

Can you store different types in an array?

460

Can arraylist have null values?

464

How remove all from arraylist?

483

How do you sort an arraylist?

480

Can you override methods of arraylist?

491

Can we give size to arraylist?

490

Can we store primitives in collections?

475

Can arraylist store primitives?

451

Can a hashset contain duplicates?

480


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Un-Answered Questions { Data Structures }

State the advantages of using postfix notations?

542


What are hash tables good for?

463


What is difference between list and linked list?

531


Do you know what is linear search?

506


Give a basic algorithm for searching a binary search tree?

494






Can a stack be described as a pointer? Explain.

446


What is fibonacci search?

599


What is a data structure node class?

488


Tell me is it better to use a pointer to navigate an array of values, or is it better to use a subscripted array name?

512


What is the complexity of arraylist?

476


Do all declaration statements result in a fixed reservation in memory?

506


What is doubly linked list in data structure?

428


What is the difference between arraylist and hashmap?

420


Can we put null value in hashmap?

477


What is difference between static and dynamic array?

443