For example, consider the keyboard on your computer. { Encapsulation can be achieved by declaring the data members and methods of a class either as private or protected. Now lets see what the benefits of encapsulation are in various programming languages as follows. Answer: The program written can be reused. Programs that don't use OOP tend to be large, continuous slabs of text like very long chapters in a book. The public brewCoffee method abstracts the internal details of the brewFilterCoffee and brewEspresso methods, which are both private. Encapsulation -. This code demonstrates encapsulation in several ways: Each object encapsulates some data and methods. The four main principles of object-oriented programming are encapsulation, abstraction, inheritance, and polymorphism. On this Wikipedia the language links are at the top of the page across from the article title. By avoiding the use of mutable data, which can lead to unexpected behavior, functional programming helps ensure that code is safe and reliable. By using the above program, we try to implement the encapsulation in C++. Encapsulation in programming is the process of combining elements to create a new entity for the purpose of hiding or protecting information. cout<