Wednesday 9 July 2014

Abstraction Vs Encapsulation

 Difference  between Abstraction and encapsulation 

  • Abstraction focuses on the outside view of an object (i.e. the interface) Encapsulation (information hiding) prevents clients from seeing it’s inside view, where the behavior of the abstraction is implemented.
  • Abstraction solves the problem in the design side while Encapsulation is the Implementation.
  • Encapsulation is the deliverable of Abstraction. Encapsulation barely talks about grouping up your abstraction to suit the developer needs. 
eg . Interface and the class implementing the interface 

eg . public interface ABC {
             void display();
}

Here abstraction is provided by the interface meaning it will be the face of the class implementing the interface ABC

Encapsulation can be done as 

public class DEF implements ABC{
             void display(){
                    System.out.println("DEF");
             }
}

In the above example 

Inteface ABC provides abstraction , while class DEF provides encapsulation i.e. binding the data and the code together.

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