The Observer Pattern is the foundation of Model View Controller (MVC) development. In this article, you'll learn how to use it by building a simple email application. The Observer Pattern is one of ...

The Observer Pattern is one of the most frequently used object-oriented software design patterns. It creates a one-to-many relationship between two objects that allows one or many observed objects to ...

The user interface often contains a lot of cluttered code primarily because of the complicated logic it needs to handle. The presentation patterns are design primarily with one objective in mind, ...