Java Observer, Observable Design Pattern

Today let's talk about some design patterns, namely the Observer design pattern which can be used in Java.  Following the Oberser design pattern in Java is as easy as extending the Observable object and implementing the Observer interface for the appropriate objects.   Don't have a clue what the appropriate objects are?  Well then that's what this episode is all about!  You'll learn what the design pattern is, how it can be used, and how BIG companies have used it in their powerful frameworks.  Don't miss it!