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?

855

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

961

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

1010

What is the difference between a push and a pop?

962

How does dynamic memory allocation help in managing data?

1516

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

1136

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

1161

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

920

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

1029

How does a selection sort work for an array?

918

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

1148

Define non-terminal nodes in a tree?

1146

What is the difference between array and stack?

1044

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

1246

What do you mean by heap order property?

1062

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Un-Answered Questions { Data Structures }

Explain Array of pointers?

963

Is a hashmap a dictionary?

869

Why is null not allowed in concurrenthashmap?

888

What type of variable is age?

863

How do you clear a stack?

918

Which sorting is best?

899

List some applications of multilinked structures?

882

How is heap sort implemented?

825

How to pass in data structure exam?

1001

What is the complexity of sorting algorithm?

883

Which is faster hashmap or hashset?

931

Compare Queue and Topic ?

1099

Are the expressions arr and &arr same for an array of integers?

993

Is hashtable throw concurrentmodificationexception?

752

What is difference between arraylist and list?

913

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