Controllers

Types of Controllers
1) Component Controller
2) Custom Controller
3) Interface Controller
4) Window Controller
5) View Controller

Each Controller type  fulfills its specific tasks.
Tasks of Controllers
1) View Controller
Controls the event handling wit in a view.
2) Custom Controller
Used to exchange the data between the views with in a Component.
3) Component Controller
Used to exchange data between the views of different Components.
4) Interface Controller
It manages the interface of the UI component to the outside.