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

Data Structures Interview Questions

Questions Answers Views Company eMail

Can we put null value in hashmap?

864

Can we store a string and integer together in an array?

878

Is array static or dynamic?

866

Can list contain null values?

859

How does arraylist store data?

946

What is arraylist load factor?

1065

What is arrays copyof?

857

Can we change load factor of hashmap?

877

Is hashmap faster than arraylist?

898

Can we store null in arraylist?

917

Does arraylist have a tostring?

871

What are the applications of linked list?

861

Can we increase the size of statically allocated array?

879

Does linkedhashset allow duplicates?

893

Can we use any class as map key?

858

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Un-Answered Questions { Data Structures }

What are hash tables good for?

909

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

983

What is default array size?

1000

What is a simple graph?

954

Which searching algorithm is best?

883

What are the Advantages and disadvantages of Array?

1143

Difference between calloc and malloc in data structures?

902

What is meant by linked list?

909

What is a undirected graph?

959

We know that Arrays are objects so why cannot we write strArray.length()?

1601

What is a class user?

960

What is difference between list and linked list?

940

What is internal and external sorting?

924

Define indegree of a graph?

1063

What is data structure and data type?

948

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