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?

876

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

893

Is array static or dynamic?

877

Can list contain null values?

878

How does arraylist store data?

963

What is arraylist load factor?

1082

What is arrays copyof?

871

Can we change load factor of hashmap?

886

Is hashmap faster than arraylist?

910

Can we store null in arraylist?

931

Does arraylist have a tostring?

887

What are the applications of linked list?

871

Can we increase the size of statically allocated array?

886

Does linkedhashset allow duplicates?

905

Can we use any class as map key?

873

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Un-Answered Questions { Data Structures }

How many types of linked list exist?

968

What is inplace sorting?

1071

What is sort order?

851

What is the difference between collection and collections?

1025

Is unordered_map a hash table?

865

What exactly is data?

931

Differentiate bfs and dfs?

1011

Which interface treemap implements?

977

Is vector a collection?

870

How do arrays work?

941

Is array immutable?

907

What is reduction to sorting method?

946

Define a right-skewed binary tree?

937

What actions are performed when a function returns?

933

What is the difference between push and pop?

1105

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