Tuesday, February 19, 2013

Encapsulation

Posted by Rahul Kharde at 11:10 PM

Encapsulation

  • Encapsulation is a procedure of covering up of the data & functions into a single unit called as class
  • Encapsulation is one of the fundamental principles of object-oriented programming.
  • An encapsulated object is often called an abstract data type.
  • Encapsulation can protect your data from accidental corruption.
  • Rather than defining the data in the form of public, we can declare those fields as private.
  • Encapsulation is a process of hiding all the internal details of an object from the outside world
  • Encapsulation is the ability to hide its data and methods from outside the world and only expose data and methods that are required
  • Encapsulation is a protective barrier that prevents the code and data being randonly accessed by other code or by outside the class
  • Encapsulation gives us maintainability, flexibility and extensibility to our code.
  • Encapsulation makes implementation inaccessible to other parts of the program and protect from whatever actions might be taken outside the function or class.
  • Encapsulation hides information within an object
  • Encapsulation is the technique or process of making the fields in a class private and providing access to the fields using public methods
  • Encapsulation gives you the ability to validate the values before the object user change or obtain the value
  • Encapsulation allows us to create a "black box" and protects an objects internal state from corruption by its clients.
Benefits of Encapsulation
  • In Encapsulation fields of a class can be read-only or can be write-only.
  • A class can have control over in its fields.
  • A class can change data type of its fields anytime but users of this class do not need to change any code.





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