What Is Model-View-Controller?
The Model-View-Controller (MVC) paradigm is a way to partition your user interface so it's easier to write and maintain. The idea is that you start with a model—a set of classes representing the data you're working with. Next, you construct various views of the data—classes that display the data on the screen. Finally, you create a controller object that accepts user input and updates the model or view.
Figure 42.1 illustrates the idea behind MVC.
Figure 42.1. A view displays data from the model, and the controller accepts input to change the model.
If you have ever written GUI programs before, you know how convoluted ...
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