April 2019
Intermediate to advanced
360 pages
9h 17m
English
Content preview from Hands-On Design Patterns with Java
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UML class diagram
The UML class diagram illustrates a basic implementation of the observer design pattern:
UML class diagram—observer design pattern implementation
As shown in the UML class diagram, the StudentDashboard class extends the Observable class, and the ForumMonitor implements the Observer interface.
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