Architectural patterns

Model – View – Controller
– changes to UI should be easy, possible at runtime and should not impact functional core of the application
– 3 components of application: processing, output and input
– separation of the model from the view and controller allows multiple views of the same model

a) model – core data and functionality, independent of out- and input representations
b) view – obtain data from the model and display information to the user (>=1 views)
c) controller – receives input from an associated view (e.g. button press) – events that are translated to request and sent to the model or to the view

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