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 difference between arraylist and linkedlist from the perspective of sorting?

991

What is concurrentlinkeddeque?

1012

Which is the parent class of printerstatereasons class?

884

Which of the collections allows null as the key?

875

What are the Difference between tcp and udp?

994

Which interfaces are implemented by linkedlist?

935

Name few classes that implement collection interface?

921

In what order the elements of a hashset are retrieved?

969

What are the disadvantages of using collection classes over arrays?

1054

Which is the parent class of abstractqueue class?

923

Which is the parent class of enumset class?

953

Can value be null in treemap?

899

Which interfaces are implemented by abstractsequentiallist?

891

Which is the parent class of abstractsequentiallist class?

941

If we add enum constants to a sorted collection ( treemap , treeset ), what will be the order in which they will be maintained?

954

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Un-Answered Questions { Data Structures }

what is Singly Linked list?

993

Which language is best to learn data structures?

998

What is difference between rb tree and avl tree?

917

Mention the data structures which are used in graph implementation.

875

Define an equivalence relation?

1084

How do you sort an arraylist in descending order?

797

What is data and data types?

928

What do you mean by rehashing?

1175

What are the types of bulleted list?

845

What is a data structure node class?

1022

Which sorting is best for large data?

930

How to find if linked list has loop?

1124

How would you reverse the characters of an array?

931

Which interfaces are implemented by abstractsequentiallist?

891

What is array simple?

928

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