Data Structures Interview Questions
Questions Answers Views Company eMail

Is arraylist a list?

452

Does treeset allow duplicates?

469

Is linkedlist thread safe?

470

Can you make an arraylist of arrays?

587

Can we remove element from arraylist while iterating?

512

How do you find the size of an arraylist?

413

Can you store different types in an array?

479

Can arraylist have null values?

475

How remove all from arraylist?

497

How do you sort an arraylist?

493

Can you override methods of arraylist?

504

Can we give size to arraylist?

511

Can we store primitives in collections?

488

Can arraylist store primitives?

466

Can a hashset contain duplicates?

494


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Un-Answered Questions { Data Structures }

What are different sorting algorithms?

491


How can a binary tree be represented using the rotation?

542


Does arraylist have index?

488


What is array and structure?

548


What are some of the best practices relating to the java collection framework?

519






Why is sorting necessary?

484


Differentiate among cycle, path, and circuit?

537


Which interfaces are implemented by abstractqueue?

519


Which sorting is best?

489


What do you mean by priority queue?

504


What is a hashers run?

506


When will we get ArrayStoreException?

759


Explain the term base case?

521


Define linear probing?

593


What is a stable algorithm?

484