4_2_2b

public class BusTicket {
 // Fields
 private int journeys;

//Constructor
 public BusTicket(int initialJourneys) {
 journeys = initialJourneys;
}

 //Other methods
 public int getJourneys(){
  return journeys;
 }
 public void rideTheBus(){
  journeys = journeys - 1;
 }
 //...
}