Web Reference: Mar 7, 2026 · Encapsulation means combining data and the functions that work on that data into a single unit, like a class. In Object-Oriented Programming, it helps keep things organized and secure. A class can hide the implementation part and discloses only the functionalities required by other classes. Encapsulation The meaning of Encapsulation, is to make sure that "sensitive" data is hidden from users. To achieve this, you must: declare class variables/attributes as private provide public get and set methods to access and update the value of a private variable Encapsulation in Java is a mechanism of wrapping the data (variables) and code acting on the data (methods) together as a single unit. 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.
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