All classes are interfaces to objects/instances. The difference between a class and interface does not exist within the language; it is merely a difference in the treatment and use of a class.
Classes are themselves a scope/namespace and may contain further nested scopes/namespaces.
All classes are interfaces to objects/instances. The difference between a class and interface does not exist within the language; it is merely a difference in the treatment and use of a class.
Classes are themselves a scope/namespace and may contain further nested scopes/namespaces.