Interface Implementation and Inheritance

Explore interfaces in the context of inheritance.

Base class methods

Suppose we have a MultimediaFile class and we want to implement the IDownloadable interface that has a method:

interface IDownloadable
	void Download();

If MultimediaFile derives from a class that already has a Download() method with the same signature and return type as it was declared in IDownloadable, then we don’t have to implement that method, because the base class already has it:

Get hands-on with 1200+ tech skills courses.