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?

939

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 are different sorting algorithms?

937

What is the complexity of sorting algorithm?

884

Is sorting a math skill?

972

How do we search a specific element in an array?

938

Provide an algorithm to reverse a linked list without using recursion.

933

State the demerits of linked representation of binary trees?

931

What is the difference between hashmap and arraylist?

1008

What is an acyclic graph?

1030

What is linked list in data structure?

1017

Which of the collections allows null as the key?

872

How to print element of Array?

1040

Which is better merge sort or quick sort?

854

What is huffman’s algorithm?

1098

What are the disadvantages array implementations of linked list?

937

What are examples of data structures?

931

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