About MODEL-VIEW-PRESENTER : ---
categories: Presentation Tier
Apply a "Separation of Concerns" principle in a way that allows
developers to build and test user interfaces.
![alt text](./etc/model-view-presenter_1.png "Model-View-Presenter")
Use the Model-View-Presenter in any of the following
* when you want to improve the "Separation of Concerns" principle in presentation logic
* when a user interface development and testing is necessary.
## Real world examples