Expert Spring MVC And Web Flow

 Excerpt  :

This time around, it was time to get serious about two things, unit testing and good object-oriented design. Sure, I had written plenty of unit tests before, but I had never begun a project by writing tests first. And although I’ve been studying and developing with OOP for many years now, I continue to learn new techniques that help the design of the application retain sustainability in the face of change. ( Expert Spring MVC And Web Flow )

So, off we went developing the application, writing tests for the domain model, creating a service layer (a façade for the web layer to integrate with), and beginning the build-out of the Struts layer. Each layer in the system seemed to progress nicely, but that’s exactly when we ran into trouble. As integration between layers began, we noticed that it became harder and harder to write good tests for the system.

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