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 ...

However, design patterns have come under an increasing amount of criticism lately. Critics point out that inexperienced developers can easily fall into the pattern trap.

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 ...

This article describes an easy process of implementing the observer pattern in the Spring framework (Spring Core). Also discussed in this article are a few of the Spring Core classes as well as an ...

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 ...