Design Patterns: Observer and Publish-Subscribe
Автор: Microsoft Visual Studio
Загружено: 2017-07-26
Просмотров: 24023
This is the fourth of an eight part series where Robert is joined by Phil Japikse to discuss design patterns. A design pattern is a best practice you can use in your code to solve a common problem. In this episode, Phil demonstrates the Observer pattern. In this pattern, an object, called the subject, maintains a list of its dependents, called observers, and notifies them automatically of any state changes, usually by calling one of their methods. Phil also compares the Observer pattern to the Publish-Subscribe pattern.
Resources:
Sample code: https://github.com/skimedic/presentat...
Design Patterns: Elements of Reusable Object-Oriented Software book: https://www.amazon.com/Design-Pattern...
Head First Design Patterns book: https://www.amazon.com/Head-First-Des...
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