ClockObserver.java
- By Robert C. Martin
- July 24, 2001
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 [email protected].