| ObservableCounter.java |
package lectures.mvc;
import util.annotations.WebDocuments;
@WebDocuments({"Lectures/Mvc.pptx", "Lectures/Mvc.pdf", "Videos/Mvc.avi"})
public interface ObservableCounter extends Counter {
public void addObserver(CounterObserver observer);
//public void removeObserver(CounterObserver observer);
}