Observer Pattern

Observer Pattern
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Observer Pattern

| | 1 Lesson
Course description

The Observer Pattern should be implemented when you need to notify any dependent object of any state changes, usually by calling one of their methods. In this video tutorial you will learn when to implement it and how to implement it. You will implement a currency simulator application. Multiple currencies can be added to simulator and when the price is changed, all currencies will be notified.

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    The Observer Pattern (05:22)

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