import br.com.mystudies.ds.service.Service;
public class App{
public static void main( String[] args ){
ServiceFactory sf = new ServiceSimpleFactory();
//--------------------------------------------
User user = new User();
user.setGroup(Group.ADMINISTRATORS);
Service service = sf.getService(user);
System.out.println(service.execute());
//----------------------------------------
user.setGroup(Group.PROGRAMMERS);
service = sf.getService(user);
System.out.println(service.execute());
// --------------------------------------------