package rd222dv_assign1.ferryTransport;

import java.util.Iterator;

public interface Ferry  {
	   int countPassengers();             // Number of passengers on board
	   int countVehicleSpace();           // Used vehicle space. One car is 1.
	   int countMoney();                  // Earned money
	   Iterator<Vehicle> iterator();      // Vehicle iterator   
	   void embark(Vehicle v);            // Embark vehicle, warning if not enough space
	   void embark(Passenger p);          // Embark passenger, warning if not enough room
	   void disembark();                  // Clear (empty) ferry. The money earned remains, 
	                                      // i.e., is not reset to zero 
	   boolean hasSpaceFor(Vehicle v);    // true if we can embark vehicle v
	   boolean hasRoomFor(Passenger p);   // true if we can embark passenger p
	   String toString();                 // Nice looking ferry status print out

	}