package vroom.common.utilities; import java.util.Observer; /** * The Interface Observable. * * @author Victor Pillac, <a href="http://uniandes.edu.co">Universidad de Los Andes</a> - <a * href="http://copa.uniandes.edu.co">Copa</a>, <a href="http://www.emn.fr">Ecole des Mines de Nantes</a>-<a * href="http://www.irccyn.ec-nantes.fr/irccyn/d/en/equipes/Slp">SLP</a> */ public interface Observable { /** * Adds the observer. * * @param observer * the observer */ public void addObserver(Observer observer); /** * Notify observers. * * @param param * the param */ public void notifyObservers(Object param); }