A class is a program-code-template that allows developers to create an object that has both variables (data) and behaviors (functions or methods). A class is an example of encapsulation in computer science in that it consists of data and methods that have been bundled into a single unit .
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In encapsulation, the variables of a class will be hidden from other classes, and can be accessed only through the methods of their current class. Therefore, it is also known as data hiding. Declare the variables of a class as private. Provide public setter and getter methods to modify and view the variables values .
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