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

Data Structures Interview Questions

Questions Answers Views Company eMail

Which interface provides the capability to store objects using a key-value pair?

1098

Can we use ordered set for performing binary search?

907

What is rule regarding overriding equals and hascode method?

900

Can you provide some implementation of a dictionary having large number of words?

1095

What is the difference between arraylist and linkedlist?

983

Which interface treemap implements?

965

If we try to add duplicate key to the hashmap, what will happen?

858

Which interfaces are implemented by linkedhashset?

1023

What is copyonwritearraylist?

989

Why is reflection slower?

895

Which is the parent class of hashmap class?

1138

Which interfaces are implemented by enumset?

879

What is the difference between collection and collections?

1014

What is the difference between collections class vs collections interface?

952

What things you would care about to improve the performance of application if its identified that its db communication that needs to be improved?

927

Post New Data Structures Questions

Un-Answered Questions { Data Structures }

Is linked list faster than array?

843

What are data and data types?

1035

what are the applications that use Linked lists?

890

Why do we use trees in data structures?

894

What is binary search in data structure?

892

Write a program to reverse a single linked list.

936

List the applications of queues?

925

How do you sort elements in an arraylist?

880

What is sorting and its types?

1046

What is difference between array and arraylist?

985

do records fall under linear or non linear data structures?

1725

When new data are to be inserted into a data structure?

917

Is treeset synchronized?

835

What does enum do?

902

What is an example of an algorithm?

904

For More Un-Answered { Data Structures } Questions Click Here