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 is the main advantage of a linked list?

998

How can we reverse a singly linked list?

1010

How can you represent a linked list node?

954

Explain multiply linked list in short.

918

How many types of linked list exist?

968

Which type of memory allocation is referred for linked list?

1193

How will you explain circular linked list?

908

Name some applications which use linked lists.

997

How can you add an item to the beginning of the list?

1015

How can we remove loops in a linked list? What are the functions of fast and slow pointers?

1168

How can you insert a node to the beginning of a singly linked list?

947

What do you understand by doubly linked list?

915

What do you know about traversal in linked lists?

928

What are the main differences between the linked list and linear array?

977

How will you represent a linked list in a graphical view?

1045

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Un-Answered Questions { Data Structures }

Why do we need algorithm?

888

In an avl tree, at explain what condition the balancing is to be done?

957

How does hashset work internally in java?

1011

Define rehashing?

1052

Is char array null terminated?

887

What are the advantages of data structure?

964

Differentiate between collection and collections.

1087

What is the need for extendible hashing?

976

What is minimum depth of binary tree?

971

Write the postfix form of the expression: (a + b) * (c - d)

1046

What is map keyset?

880

Can you use Bubble Sort To sort the number of elements.

867

Can arraylist store primitives?

938

Can you make an arraylist of arrays?

1092

Differentiate between arraylist and linkedlist.

1117

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