Java - Interview Questions and Answers for 'Abstraction' | Search Java Interview Question - javasearch.buggybread.com
Javasearch.buggybread.com
Share

Search Java Interview Questions


 2098 questions in repository.
 There are more than 200 unanswered questions.
Click here and help us by providing the answer.
Label / Company      Label / Company / Text

   



Interview Questions and Answers for 'Abstraction' - 6 question(s) found - Order By Newest

Very frequently asked to Fresh graduates.
  Q1. What is the difference between Encapsulation and Abstraction?Core Java
Anonymous
Ans. 1.Abstraction solves the problem at design level while encapsulation solves the problem at implementation level

2.Abstraction is used for hiding the unwanted data and giving relevant data. while Encapsulation means hiding the code and data into a single unit to protect the data from outside world.

3. Abstraction lets you focus on what the object does instead of how it does it while Encapsulation means hiding the internal details or mechanics of how an object does something.

4.For example: Outer Look of a Television, like it has a display screen and channel buttons to change channel it explains Abstraction but Inner Implementation detail of a Television how CRT and Display Screen are connect with each other using different circuits , it explains Encapsulation.

 Help us improve. Please let us know the company, where you were asked this question :   

   Like      Discuss      Correct / Improve     java   oops   oops concepts   encapsulation   abstraction   basic interview question     Synechron  Amazon  HCL Technologies  Tata Consultancy (TCS)  Wipro  Infosys Technologies  3DPLM Software Solutions      basic        frequent

Try 2 Question(s) Test


 Q2. Can you give a real world example of Encapsulation and Abstraction ?Core Java2016-05-29 13:47:31

Ans. Car Engine is an example of encapsulation and abstraction. You ignite the car using an interface called starter and least bothered about how the tire actually moves (This is abstraction). The engine encapsulates the complete process to itself only and doesn't allow you to start the other components like the radiator etc ( this is excapsulation )

 Help us improve. Please let us know the company, where you were asked this question :   

   Like      Discuss      Correct / Improve     encapsulation  abstraction  oops  oops features  java features     MAQ Software  Daffodil Software  Quickstart Global  Alliance Global Services  InfoStretch  Intelligrape  Prowareness  Support.com  Cognizant (CTS)  BNT SOFT  Clairvoyant TechnoSolutions  Suyati Technologies  3DPLM Software Solutions


 Q3. How is Abstraction implemented in Java ?Core Java
Admin
info@buggybread.com
Ans. Abstraction is provided in Java by following ways -

Coding to the ( Interfaces / Abstract Classes ) or contracts

By Encapsulating details within classes and exposing the minimal Door ( few public methods )

 Help us improve. Please let us know the company, where you were asked this question :   

   Like      Discuss      Correct / Improve     java   oops concepts   abstraction   interfaces   abstract class   encapsulation     Accenture  Bureau Veritas      basic        frequent


 Q4. Difference between Abstraction and Implementation hiding ?
Anonymous
Ans. Implementation Hiding is a broader concept. Abstraction is a way of implementation hiding in OOP's.

 Help us improve. Please let us know the company, where you were asked this question :   

   Like      Discuss      Correct / Improve     java   oops   oops concepts   abstraction   hiding information   build management


 Q5. What are the examples of Abstraction in Java ?
Admin
info@buggybread.com
Ans. function calling - hides implementation details
wrapper classes
new operator - Creates object in memory, calls constructor

 Help us improve. Please let us know the company, where you were asked this question :   

   Like      Discuss      Correct / Improve     java   oops   oops concepts   abstraction


 Q6. What are the uses of Abstraction ?Core Java2017-08-03 07:41:32

 This question was recently asked at 'Zipdial mobile solutions'.This question is still unanswered. Can you please provide an answer.


 Help us improve. Please let us know the company, where you were asked this question :   

   Like      Discuss      Correct / Improve     oops concepts  abstraction     Zipdial mobile solutions




Subscribe to Java News and Posts. Get latest updates and posts on Java from Buggybread.com
Enter your email address:
Delivered by FeedBurner



comments powered by Disqus
 

Help us and Others Improve. Please let us know the questions asked in any of your previous interview.

Any input from you will be highly appreciated and It will unlock the application for 10 more requests.

Company Name:
Questions Asked:
         

X Close this

X Close this

Help Us Improve.
Please share your
interview experience.

Company Name:   


Questions Asked: