Q: I want to use the Java Observer pattern in my project. With that in mind, can you give me some sample code to demonstrate how it works A: Just as object-oriented programming encourages code reuse, ...

I currently have a program that polls a MySql database for changes. I'd like to switch to the Observer design pattern, but I'm not sure of the best way of implementing it. I was thinking maybe I'd ...

The observer design pattern defines one-to-many relationship between objects so that changes to one object can be notified to the other dependent objects The Observer design pattern falls under the ...