Design patterns are formalized best practices that the programmer can use to solve common problems when designing an application or system. In software engineering, a software design pattern is a ...

The template method design pattern allows you to define the skeleton of an algorithm in a base class and defer the details to subclasses Design patterns are proven solutions to recurring problems and ...

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 ...

The job of the EJB developer is constantly challenging, making the task of designing maintainable and scalable systems difficult without a clear set of best practices to follow. It is with this and ...