Data Structures Interview Questions
Questions Answers Views Company eMail

Why is quicksort not stable?

659

What is declaring array?

682

Why sorting algorithms are important?

747

What is collections singletonlist?

696

What is a hash in programming?

711

What is map keyset?

676

What is a map in programming?

677

What is an ordered map?

699

Who created quicksort?

752

Why sorting is done?

675

Why do we need linked list?

641

What is insertion sort technique?

700

What is binary search in programming?

687

Why do we need to recycle?

652

Why would we use dynamically allocated arrays vs vectors?

649


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Un-Answered Questions { Data Structures }

What are the disadvantages of using collection classes over arrays?

771


How does sort function work?

708


What does map stand for?

664


Define forest?

785


What are the 3 types of variables?

707


Can we add or delete an element after assigning an array?

847


Does treemap allow null keys?

728


What is the meaning of anonymous array? Explain with an example?

994


Which is better hashmap or hashtable?

692


How does hashset work internally in java?

748


What is difference between stack and queue?

699


What is a B tree?

786


What differences exist between hashmap and hashtable?

708


What are the topics in data structures?

766


What are linked list?

775