import javax.ejb.EJBObject;
import java.rmi.RemoteException;

public interface Converter extends EJBObject {
  public double dollarToYen(double dollars) throws RemoteException;
  public double yenToEuro(double yen) throws RemoteException;
  public double getTaxaYen() throws RemoteException;
  public double getTaxaEuro() throws RemoteException;
}