Data Structures Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

Data Structures Interview Questions

Questions Answers Views Company eMail

Why do we use linked lists?

904

What is faster array or arraylist?

899

Why is an array homogeneous?

860

What is the time complexity of arraylist and linked list?

920

Why arraylist is not efficient for manipulation?

860

Which is best array or linked list?

904

Why is hashmap used?

948

What is dynamic array how is it created?

882

Which is faster array or linked list?

900

What is indexing an array?

1070

What is the default size of arraylist?

965

Why we use arraylist instead of linked list?

886

Which is faster hashset or treeset?

1015

What is the meaning of arraylist?

939

Which is faster treemap or hashmap?

898

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Un-Answered Questions { Data Structures }

How does insertion sort works?

869

Is quicksort divide and conquer?

913

What is the difference between 1d and 2d array?

976

Write an algorithm to show the reverse of link list?

858

What are different sorting algorithms?

937

What is the difference between Array and Arraylist?

1081

Give a basic algorithm for searching a binary search tree?

827

Define double linked list?

952

How do hash tables work?

893

What is meant by int?

992

What is nonlinear data?

979

Does map extend iterable?

939

Is file a data structure?

965

State the difference between stacks and linked lists?

988

Tell me what is quick sort?

899

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