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?

1144

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

1043

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

1192

How to copy an array into another array?

956

what is the difference between Linear Array and Linked List?

1039

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

975

what is Singly Linked list?

987

What does the dummy header in linked list contain?

1099

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

1088

Can we use Generics with the array?

1048

Can we declare array size as a negative number?

989

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

1156

What is the default value of Array?

1118

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

1045

If you do not initialize an array what will happen?

1010

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Un-Answered Questions { Data Structures }

What are the advantages of bubble sort?

960

What is the difference between list and arraylist?

927

What is the minimum number of queues that can be used to implement a priority queue?

945

What are arrays give example?

900

Does linkedhashset allow duplicates?

894

Explain binary search tree?

940

Is heap sort faster than quicksort?

819

Can arraylist hold different types?

1000

What is the difference between Array and LinkedList?

1006

What is the minimization factor and time complexity of b-tree?

1131

What is a minimum spanning tree?

1062

What is data structure explain in detail?

897

Describe the level term in a tree.

915

Define balance factor of a node in avl tree?

1041

Can hashmap have same key?

865

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