Encapsulation What is capsule? The capsule is one kind of tablet. It encloses the medicine by the cover to prevent the medicine. Like wise the encapsulation is a concept to prevent or hide the data from the outsiders. The encapsulation is first element of oops. It allows only authorized methods to access the data. Encapsulation is the ability to hide its data and methods from outside the world and only expose data and methods that are required