Data Structures Interview Questions
Questions Answers Views Company eMail

Is arraylist a list?

600

Does treeset allow duplicates?

617

Is linkedlist thread safe?

614

Can you make an arraylist of arrays?

734

Can we remove element from arraylist while iterating?

664

How do you find the size of an arraylist?

558

Can you store different types in an array?

669

Can arraylist have null values?

606

How remove all from arraylist?

629

How do you sort an arraylist?

633

Can you override methods of arraylist?

657

Can we give size to arraylist?

666

Can we store primitives in collections?

645

Can arraylist store primitives?

609

Can a hashset contain duplicates?

624


Post New Data Structures Questions

Un-Answered Questions { Data Structures }

What is the difference between array and stack in data structures?

677


write a program to show the insertion and deletion of an element in an array using the position

648


Name few concurrent collection classes?

663


Does hashmap preserve insertion order?

648


How do you sort a list in reverse order?

609






What happens when arraylist is full?

662


Define open addressing?

736


What is the difference between for and foreach loop?

618


Compare Queue and Topic ?

842


What is application of data structure?

641


Define parent node?

706


What do u mean by array?

641


Explain what is a spanning tree?

751


Explain what are the methods available in storing sequential files ?

661


How can you add an item to the beginning of the list?

736