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 are the Advantages and disadvantages of Array?

1154

How do you find the second largest element in an array of integers?

1049

“int a[] = new int[3]{1, 2, 3}” – This a legal way of defining the arrays?

1199

How to copy an array into another array?

963

what is the difference between Linear Array and Linked List?

1050

how to insert a new node in linked list where free node will be available?

985

what is Singly Linked list?

993

What does the dummy header in linked list contain?

1102

Can you declare an array without assigning the size of an array?

1098

Can we use Generics with the array?

1050

Can we declare array size as a negative number?

1003

Is there any difference between int[] a and int a[]?

1174

What is the default value of Array?

1127

Can we add or delete an element after assigning an array?

1053

If you do not initialize an array what will happen?

1020

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Un-Answered Questions { Data Structures }

What will you prefer for traversing through a list of elements between singly and doubly linked lists?

915

What are AVL trees?

1075

What is the difference between hashset and linkedhashset?

1007

Tell me can the size of operator be used to tell the size of an array passed to a function?

1010

What is difference between list and array?

901

What is the use of substring?

953

What is mean by abstract data type?

991

What are the types of collision resolution strategies in open addressing?

1018

Can arraylist have duplicates?

918

Is complete binary tree?

893

Can we change the size of an array at run time?

974

What are stacks? Give some of its applications.

978

List out the disadvantages of using a linked list?

939

By Which algorithm, the 8 queens problem is solved?

915

Explain different methods in which you can traverse a tree?

917

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