Data Structures Interview Questions
Questions Answers Views Company eMail

Is arraylist a list?

628

Does treeset allow duplicates?

647

Is linkedlist thread safe?

640

Can you make an arraylist of arrays?

770

Can we remove element from arraylist while iterating?

694

How do you find the size of an arraylist?

586

Can you store different types in an array?

699

Can arraylist have null values?

636

How remove all from arraylist?

666

How do you sort an arraylist?

665

Can you override methods of arraylist?

688

Can we give size to arraylist?

702

Can we store primitives in collections?

668

Can arraylist store primitives?

639

Can a hashset contain duplicates?

659


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Un-Answered Questions { Data Structures }

Can arraylist shrink?

691


Why is arraylist used?

674


What is the difference between a Stack and a Queue.

692


How to cut or remove an element from the array?

737


What is static array?

678


Differentiate between hashset and hashmap.

701


What is sort in data structure?

673


Explain different methods in which you can traverse a tree?

707


Can we store a string and integer together in an array?

659


Can we use ordered set for performing binary search?

714


How to sequentially represent max-heap?

705


State the difference between arrays and linked lists?

731


How are the elements of a 2d array are stored in the memory?

798


Where is data structure used?

717


Is file a data structure?

676