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 do you mean by collision in hashing?

1012

Define parent node?

1024

What do you mean by 2-3-4 tree?

1040

which is the simplest file structure? (Sequential, indexed, random)

1316

What are the collision resolution methods?

1019

Define indegree of a graph?

1125

What do you mean by structure property in a heap?

1123

List the types of rotations available in splay tree?

1194

What is a cycle or a circuit?

1118

Write the importance of hashing?

1073

Explain what are the notations used in evaluation of arithmetic expressions using prefix and postfix forms?

1097

What is precision?

1037

What do you mean by quadratic probing?

999

Define avl tree?

1206

Define linear probing?

1034

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Un-Answered Questions { Data Structures }

What is data and information explain with example?

1008

Write the postfix form of the expression: (a + b) * (c - d)

1087

How do you find the index of an element in an arraylist?

922

How to create an Array?

1025

What is list and types of list?

892

What is mergesort and hashtable?

1159

Which collection class is thread safe?

888

How can we remove loops in a linked list? What are the functions of fast and slow pointers?

1251

Explain the Complete structure of hashmap along with the basic coding of the hashmap internal implementation.

1152

Can we add heterogeneous elements into treemap?

1009

What is a treemap used for?

939

Describe tree rotation in avl tree.

1032

What does list clear do?

929

Which sorting does collections sort use?

946

What is collection sort?

930

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