All developers know what a Singleton pattern is – It is a pattern that ensures that only one instance of an object is instantiated across the system. Java EE also has a concept of Singleton - The Singleton Session Bean. Just use the javax.ejb.Singleton annotation on the bean class and it is treated as a…

If you have been a regular reader of our posts, you might have observed that “maintainability of code” has been one of our recurring themes. We believe that maintainability and simplicity of code are critical factors that dictate the success of the software in the long run. It is obvious that an easy to maintain…