ClockObserver.java

Uncle Bob's Agile Development Corner
Observer—Evolving into a pattern, Part 1
by Robert C. Martin
Listing 7. ClockObserver.java.


public interface ClockObserver
{
    public void update(int hours, int minutes, int seconds);
}

About the Author

Robert C. Martin is president of Object Mentor Inc., a firm that offers high-level, OO software design consulting, training, and development services. He is the author of Designing Object Oriented C++ Applications Using the Booch Method. He can be contacted at rmartin@objectmentor.com.

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