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

Data Structures Interview Questions

Questions Answers Views Company eMail

What differences exist between hashmap and hashtable?

1054

Write the c program to insert a node in circular singly list at the beginning.

941

which notations are used in evaluation of arithmetic expressions using prefix and postfix forms?

1078

Which data structures are used in bfs and dfs algorithm?

1087

How can avl tree be useful in all the operations as compared to binary search tree?

893

Write the syntax in c to create a node in the singly linked list.

1064

What is the difference between push and pop?

1149

Define the tree data structure.

943

List some applications of tree-data structure?

933

What are the advantages of binary search over linear search?

1092

Mention the data structures which are used in graph implementation.

926

What are the advantages of selecetion sort?

1158

List some applications of multilinked structures?

933

What are the scenarios in which an element can be inserted into the circular queue?

1461

How to reference all the elements in a one-dimension array?

1323

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Un-Answered Questions { Data Structures }

Which sorting is best in time complexity?

1003

Differentiate null and void?

930

How can you insert a node in a random location of the linked list?

934

Is linkedlist thread safe?

922

Define distributed query and linked server?

985

Which sorting algorithm is the slowest?

896

What is the default value of Array?

1189

What is the difference between list and arraylist?

985

What are the disadvantages of sequential storage?

1298

What are the advantages of data structure?

997

Can hashmap have same key?

918

What is the idea behind splaying?

1836

Which language is best for data structures?

1000

What are the properties of binary heap?

1086

How do you replace an element in an arraylist?

1059

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