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 different types of linked list?

846

Is it possible to increase size of array?

957

Does arraylist have index?

956

Should I use hashmap or hashtable?

880

Does linked list allow duplicates?

895

Is vector synchronized?

917

Are duplicates allowed in hashmap?

888

How do you initialize an arraylist?

974

Is arraylist heterogeneous?

880

How do you sort elements in an arraylist?

883

Is char array null terminated?

882

Is array a dynamic data structure?

1 1339

How many types of linked lists are there?

909

How do you find the length of an arraylist?

918

Is duplicate allowed in hashmap?

1084

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Un-Answered Questions { Data Structures }

What is quick sort?

1059

What is time complexity of quick sort?

848

How many types of arrays are there in visual basic?

940

What do you know about different sorting algorithms?

1055

Define 2-3-4 tree?

894

Explain Queue

1060

What is data type and its types?

941

Does treeset allow null values?

887

Name few collections map implementations?

891

List the data structures which are used in rdbms.

863

Explain implementation of deletion from a binary tree.

961

Describe the level term in a tree.

919

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

1152

What is the main advantage of a linked list?

995

Can you sort a hashmap?

854

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