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?

990

What is concurrentlinkeddeque?

1010

Which is the parent class of printerstatereasons class?

884

Which of the collections allows null as the key?

872

What are the Difference between tcp and udp?

993

Which interfaces are implemented by linkedlist?

934

Name few classes that implement collection interface?

919

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?

922

Which is the parent class of enumset class?

950

Can value be null in treemap?

898

Which interfaces are implemented by abstractsequentiallist?

889

Which is the parent class of abstractsequentiallist class?

940

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 the types of data structure?

1030

Is hashset thread safe?

987

Do sets allow duplicates?

968

How to copy an array into another array?

963

Explain set interface?

1085

What is integer max_value?

861

By Which algorithm, the 8 queens problem is solved?

914

Define 2-3-4 tree?

894

What is the maximum size of array?

922

Which interfaces are implemented by printerstatereasons?

898

What is a sorting algorithm in data structure?

915

What is the complexity of arrays sort?

923

What is immutablelist?

916

How many parts are there in a declaration statement using data structures?

992

What's the difference between a hashtable and a hashmap?

912

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