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

Data Structures Interview Questions

Questions Answers Views Company eMail

Differentiate null and void?

870

How do you insert a new item in a binary search tree?

971

What is a bubble sort and how do you perform it?

1014

What is the difference between a push and a pop?

964

How does dynamic memory allocation help in managing data?

1520

Which data structures are applied when dealing with a recursive function?

1141

How do you search for a target key in a linked list?

1168

Do all declaration statements result in a fixed reservation in memory?

931

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

1033

How does a selection sort work for an array?

926

What is the minimum number of nodes that a binary tree can have?

1152

Define non-terminal nodes in a tree?

1151

What is the difference between array and stack?

1063

in tree construction which is the suitable efficient data structure? (Array, linked list, stack, queue)

1254

What do you mean by heap order property?

1072

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Un-Answered Questions { Data Structures }

What is quick sort?

1059

What are the advantages of linked list over array (static data structure)?

1339

Why is hashmap not thread safe?

933

Which sorting method is slowest?

965

Define right-in threaded tree?

963

Which is better hashmap or treemap?

966

How does hashset maintain order?

952

What is the order of selection sort?

813

What is height balanced tree?

932

What happens if we try to insert duplicate key in hashmap?

815

What is difference between rb tree and avl tree?

916

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

904

What is the space complexity of selection sort?

953

What is a multidimensional array?

935

Is it legal to initialize list like this?

969

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