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 is the need for path compression?

1141

Define a relation?

990

What do you mean by balanced trees?

1070

Define depth and height of a tree?

1168

Define forest?

1025

What are the properties of binary heap?

1086

Define degree of the node?

1045

What are the major data structures used in the following areas : network data model & hierarchical data model?

1072

What are the applications of b-tree?

1027

When is a graph said to be weakly connected?

1046

What do you mean by the term “percolate down”?

952

Define data type and what are the types of data type?

945

Name two algorithms two find minimum spanning tree?

981

What are the advantages of modularity?

1011

What do you mean by hash table?

1076

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Un-Answered Questions { Data Structures }

What is the difference between hashset and arraylist?

1042

What are the disadvantages of linked list over array?

947

What is a graph?

2114

What are the applications of linked list?

925

where do you use double linked list?

1111

What do you mean by collision in hashing?

1012

What are types of Collision Resolution Techniques and the methods used in each of the types?

1127

How to find 3rd element from end in a linked list in one pass?

931

What should be done in the base case for this recursive problem?

956

What do you mean by breadth first search (bfs)?

1023

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

1457

In depth questions regarding the data structures and the Databases used in the Projects developed.

1003

Why sorting is used?

982

Explain what are the methods available in storing sequential files ?

985

What is data and information explain with example?

1008

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