Java tutorial for beginners || Encapsulation in Java || Falcon Geeks
What is Encapsulation in Java
Encapsulation means wrapping variables with the methods that manipulate the variables. In simple terms limiting direct access to variables by declaring as private, that means it can only be accessed within the same class. No outside class can access private variable of other class.
To access the private variable, we set up public getters and setter's methods. Using these methods, we can update and read the private variables and then the outside class can access those private variables. This way variables can only be accessed by public methods thus making the private variables and their implementation hidden for outside classes. That’s why encapsulation is known as data hiding.
To achieve Encapsulation, you must:
declare class variables/attributes as private
provide public get and set methods to access and update the value of a private variable
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