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?

922

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

853

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

964

Which data structures are used in bfs and dfs algorithm?

976

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

806

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

973

What is the difference between push and pop?

1045

Define the tree data structure.

835

List some applications of tree-data structure?

835

What are the advantages of binary search over linear search?

988

Mention the data structures which are used in graph implementation.

833

What are the advantages of selecetion sort?

1038

List some applications of multilinked structures?

836

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

1351

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

1230

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Un-Answered Questions { Data Structures }

Can we override compareto method for enumerations?

936

What is bubble sort used for?

760

What is binary tree give example?

861

What are the advantages of merge sort?

788

Write a program for Sorting an Array. Which sorting will you prefer?

920

How treemap orders the elements if the key is a string?

855

Can you store different types in an array?

872

What do you mean by complexity of search algorithm?

683

Explain how is linked list implemented?

868

Explain the expression trees?

940

Describe binary tree and its property.

864

Explain the sorting algorithm that is most suitable to be used with single linked list?

787

What is the best sorting technique?

882

Which is the parent class of enumset class?

908

Can treemap have duplicate values?

826

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