Model
•Knows
about the
data
that needs to be displayed.
•Knows
about
the
operations that can be applied on the data.
•Does
not
know
how to display the data to the user.
View
Really just the observer pattern.
•Provides Graphical User Interface components
•Relays user requests
•Uses the query methods
•Displays information
•Maintains consistency
Controller
•Translates interactions with the view
into actions.
•Is responsible for mapping end-user
action to application response.
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