Observer pattern
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Observer Pattern. Weather display application. WeatherData Class. First attempt!. Issues in 1 st attempt!. Observer Pattern . Definition .

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Issues in 1 st attempt
Issues in 1st attempt!



Definition
Definition

Observer Pattern defines a one-to-many dependency between objects so that when one object change state, all of its dependents are notified updated automatically.







Reworking currentconditionsdisplay
Reworking CurrentConditionsDisplay


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