what is ABSTRACTION and what are using in real time project?



what is ABSTRACTION and what are using in real time project?..

Answer / tarun

Abstraction is a concept of hiding complex implementation and providing required functionality to the user is known as abstraction.
in real time
1.service provider creates an Abstract Data Type(ADT).
2.Abstract datatype contains only the operation name not the implementation.
3.Implementation for those operations are provided in sub type.
4.Service user uses ADT and call methods because of polymorphisam implementation execute based on exact instance provided at run time.

Is This Answer Correct ?    7 Yes 0 No

Post New Answer

More Core Java Interview Questions

Does substring create a new object?

0 Answers  


Difference between Superclass and Subclass?

7 Answers  


Is oracle java 11 free?

0 Answers  


In the HashMap, we know the values but we dont know the key, then how can we get the key from HashMap ?????

4 Answers   Kanbay,


What is difference between Iterator and for loop

9 Answers   HP,






what is business delegate?

2 Answers   TCS,


Can we sort list in java?

0 Answers  


Is static a keyword in java?

0 Answers  


what is the difference between System.exit() and System.exit(1)?

1 Answers   eClinical Solutions, eClinical Works, eClinicalWorks,


What is the order of arraylist in java?

0 Answers  


Is java a security risk?

0 Answers  


What is the difference between Stream Reader and Stream Writer?

4 Answers  


Categories