Data Structures Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Data Structures Interview Questions

Questions Answers Views Company eMail

Why null is allowed in hashmap?

872

What is the quickest sorting algorithm?

939

Why is sorting necessary?

868

What is stable sort example?

863

Which sorting algorithm is used in arrays sort?

882

Which sorting algorithm is used in collections sort?

815

What is the use of sorting?

951

What is selection sort with example?

973

What is the difference between hashmap and arraylist?

996

Why is sorting important?

862

Which is the slowest sorting algorithm?

936

Why is bubble sort stable?

840

Why is quicksort so fast?

880

What is difference between hashset and treeset?

1041

Which sorting algorithm is the slowest?

853

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Un-Answered Questions { Data Structures }

Explain the Stack

958

What is the difference between arraylist and hashmap?

998

How to increase stack limit in w3wp.exe?

1045

Define avl tree?

1146

Can you dynamically allocate arrays in expanded memory?

1039

How do you make a bubble chart with 3 variables?

884

Calculate the efficiency of sequential search?

928

Define path in a graph?

916

Define non-linear data structures?

1024

Explain the applications of stack?

933

Explain the internal working of a hash map?

960

What is the use of substring?

942

Can you sort a string?

785

How many types of data structures are there?

1094

What do you mean by shortest path?

1053

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