layout	title	folder	permalink	categories	tags
pattern	Model-View-Controller	model-view-controller	/patterns/model-view-controller/	Presentation Tier	Java Difficulty-Intermediate

Intent

Separate the user interface into three interconnected components: the model, the view and the controller. Let the model manage the data, the view display the data and the controller mediate updating the data and redrawing the display.

Class diagram

Applicability

Use the Model-View-Controller pattern when

• you want to clearly separate the domain data from its user interface representation

Credits

• Trygve Reenskaug - Model-view-controller
• J2EE Design Patterns
• Patterns of Enterprise Application Architecture