---BUS-- public class Bus { String busIdentifier; String driverName; double averageSpeed; BusRoute route; ArrayList<Passenger> passengers; BusStop currentStop; public Bus(String busIdentifier, String driverName, double averageSpeed, BusRoute route) { this.busIdentifier = busIdentifier; this.driverName = driverName; this.averageSpeed = averageSpeed; this.route = route; this.passengers = new ArrayList<Passenger>(); this.currentStop = route.firstStop; } public String getBusIdentifier() { return busIdentifier; } public int getPassengers() { return passengers.size(); } public void letPassengersOn() { ArrayList<Passenger> waitingPassengers = currentStop.getPassengers(); for (Passenger passenger : waitingPassengers) { if (passengers.size() < 50) { passengers.add(passenger); } else { break; } } } public void letPassengersOff() { ArrayList<Passenger> passengersToRemove = new ArrayList<Passenger>(); for (Passenger passenger : passengers) { if (passenger.getDestination() == currentStop) { passengersToRemove.add(passenger); } } passengers.removeAll(passengersToRemove); } public int moveToNextStop() { BusStop nextStop = route.getNextStop(currentStop); int minutesToNextStop = (int) (60 * BusRoute.getDistance(currentStop, nextStop) / averageSpeed); currentStop = nextStop; return minutesToNextStop; } public void thankTheDriver() { System.out.println("Thank you, " + driverName + ", for driving bus " + busIdentifier + " today!"); } public String toString() { String output = "Bus " + busIdentifier + " (driver: " + driverName + ")\n"; output += "Current stop: " + currentStop.getStopName() + "\n"; output += "Passengers on board:\n"; if (passengers.isEmpty()) { output += "None\n"; } else { for (Passenger passenger : passengers) { output += "- " + passenger + "\n"; } } return output; } } ---METROROUTE-- package transit_manager; public class MetroRoute { int routeNumber; String routeDescription; MetroStation firstStop; MetroStation lastStop; public MetroRoute(int routeNumber, String routeDescription, MetroStation firstStop, MetroStation lastStop) { this.routeNumber = routeNumber; this.routeDescription = routeDescription; this.firstStop = firstStop; this.lastStop = lastStop; } public double calculateDistance() { return MetroStation.getDistance(firstStop, lastStop); } @Override public String toString() { return "Route " + routeNumber + ": " + routeDescription + " (" + firstStop.getName() + " - " + lastStop.getName() + ")"; } } ---TRANSITMANAGERRUNNER-- package transit_manager; public class TransitManagerRunner { public static void main(String[] args) { System.out.println("BUS TESTING =============================\n"); TestBuses(); System.out.println("METRO TESTING =============================\n"); TestMetro(); } public static void TestBuses() { // Create some bus stops // Oakland stop, stop number 12342, at location (0,0) BusStop stopA = new BusStop("Oakland", 12342, 0, 0); BusStop stopB = new BusStop("Downtown", 87236, -2.3, 0.2); BusStop stopC = new BusStop("Swissv.

1. ---BUS--
public class Bus {
String busIdentifier;
String driverName;
double averageSpeed;
BusRoute route;
ArrayList<Passenger> passengers;
BusStop currentStop;
public Bus(String busIdentifier, String driverName, double averageSpeed, BusRoute route) {
this.busIdentifier = busIdentifier;
this.driverName = driverName;
this.averageSpeed = averageSpeed;
this.route = route;
this.passengers = new ArrayList<Passenger>();
this.currentStop = route.firstStop;
}
public String getBusIdentifier() {
return busIdentifier;
}
public int getPassengers() {
return passengers.size();
}
public void letPassengersOn() {

2. ArrayList<Passenger> waitingPassengers = currentStop.getPassengers();
for (Passenger passenger : waitingPassengers) {
if (passengers.size() < 50) {
passengers.add(passenger);
} else {
break;
}
}
}
public void letPassengersOff() {
ArrayList<Passenger> passengersToRemove = new ArrayList<Passenger>();
for (Passenger passenger : passengers) {
if (passenger.getDestination() == currentStop) {
passengersToRemove.add(passenger);
}
}
passengers.removeAll(passengersToRemove);
}
public int moveToNextStop() {
BusStop nextStop = route.getNextStop(currentStop);
int minutesToNextStop = (int) (60 * BusRoute.getDistance(currentStop, nextStop) /
averageSpeed);
currentStop = nextStop;
return minutesToNextStop;

3. }
public void thankTheDriver() {
System.out.println("Thank you, " + driverName + ", for driving bus " + busIdentifier + "
today!");
}
public String toString() {
String output = "Bus " + busIdentifier + " (driver: " + driverName + ")n";
output += "Current stop: " + currentStop.getStopName() + "n";
output += "Passengers on board:n";
if (passengers.isEmpty()) {
output += "Nonen";
} else {
for (Passenger passenger : passengers) {
output += "- " + passenger + "n";
}
}
return output;
}
}
---METROROUTE--
package transit_manager;
public class MetroRoute {
int routeNumber;
String routeDescription;

4. MetroStation firstStop;
MetroStation lastStop;
public MetroRoute(int routeNumber, String routeDescription, MetroStation firstStop,
MetroStation lastStop) {
this.routeNumber = routeNumber;
this.routeDescription = routeDescription;
this.firstStop = firstStop;
this.lastStop = lastStop;
}
public double calculateDistance() {
return MetroStation.getDistance(firstStop, lastStop);
}
@Override
public String toString() {
return "Route " + routeNumber + ": " + routeDescription + " (" + firstStop.getName() + " - " +
lastStop.getName() + ")";
}
}
---TRANSITMANAGERRUNNER--
package transit_manager;
public class TransitManagerRunner
{
public static void main(String[] args)
{

5. System.out.println("BUS TESTING =============================n");
TestBuses();
System.out.println("METRO TESTING =============================n");
TestMetro();
}
public static void TestBuses()
{
// Create some bus stops
// Oakland stop, stop number 12342, at location (0,0)
BusStop stopA = new BusStop("Oakland", 12342, 0, 0);
BusStop stopB = new BusStop("Downtown", 87236, -2.3, 0.2);
BusStop stopC = new BusStop("Swissvale", 62341, 5.4, -0.4);
//Create some bus routes
BusRoute routeA = new BusRoute(61, "Connects Oakland with eastward residential areas.",
stopA, stopC);
BusRoute routeB = new BusRoute(71, "Connects Oakland with Downtown.", stopB, stopA);
//Use toStrings to describe these routes
System.out.println(routeA);
System.out.println(routeA.firstStop);
System.out.println(routeA.lastStop);
System.out.println();
System.out.println(routeB);
System.out.println(routeB.firstStop);
System.out.println(routeB.lastStop);

6. System.out.println("n================================n");
//Add a bus to each route
// Bus with identifier KLJF3, driver named Molly, average speed of 22 mph, on the 61 route
Bus busA = new Bus("KLJF3", "Molly", 22, routeA);
Bus busB = new Bus("LSHC6", "Keyang", 34, routeB);
//Let's learn more about these buses with our toString methods
System.out.println("Initial Bus Statusn");
System.out.println(busA);
System.out.println();
System.out.println(busB);
System.out.println("n================================n");
System.out.println("Gaining passengers and loading them onto buses...n");
// Lets wait for people to accumulate at our bus stops
stopA.gainPassengers();
stopB.gainPassengers();
stopC.gainPassengers();
//Check how many people are waiting at stopA
System.out.println("There are currently " + stopA.getPassengersWaiting() + " passengers waiting
at the " + stopA.getStopName() + " stop.");
//Load the buses
busA.letPassengersOn();
busB.letPassengersOn();
System.out.println("nPassengers have loaded on the buses.n");
//Check on bus A now that it has gained passengers

7. System.out.println(busA);
//And check to make sure no one is left at the stop
System.out.println("There are currently " + stopA.getPassengersWaiting() + " passengers waiting
at the " + stopA.getStopName() + " stop.");
System.out.println("n================================n");
System.out.println("The buses will drive to their next stops!n");
System.out.println("Bus " + busA.getBusIdentifier() + " took " + busA.moveToNextStop() + "
minutes to reach " + busA.currentStop.getStopName());
System.out.println("Bus " + busB.getBusIdentifier() + " took " + busB.moveToNextStop() + "
minutes to reach " + busB.currentStop.getStopName());
System.out.println("n================================n");
System.out.println("Letting bus A cycle aroundn");
//Let off Bus A's passengers and let on new ones
busA.letPassengersOff();
busA.letPassengersOn();
System.out.println(busA);
//Move one more time
System.out.println("Bus " + busA.getBusIdentifier() + " took " + busA.moveToNextStop() + "
minutes to reach " + busA.currentStop.getStopName());
System.out.println("n================================n");
//Don't forget to thank the bus drivers!
busA.thankTheDriver();
busB.thankTheDriver();
System.out.println();
}

8. public static void TestMetro()
{
//Create some Metro Stations
//Downtown stop, stop number 41232, at location (-2.3, 0.2)
MetroStation stationA = new MetroStation("Downtown", 41232, -2.3, 0.2);
MetroStation stationB = new MetroStation("Station Square", 92319, -2.2, -0.8);
MetroStation stationC = new MetroStation("North Shore", 12091, -3.2, 1.1);
//Create some Metro Routes
MetroRoute routeA = new MetroRoute(102, "Connects Downtown and Station Square",
stationA, stationB);
MetroRoute routeB = new MetroRoute(103, "Connects Downtown and the North Shore",
stationC, stationA);
//Use toStrings to describe these routes
System.out.println(routeA);
System.out.println(routeA.firstStop);
System.out.println(routeA.lastStop);
System.out.println();
System.out.println(routeB);
System.out.println(routeB.firstStop);
System.out.println(routeB.lastStop);
System.out.println("n================================n");
//Add a Train to each route
// Train with identifier IOPS2, conductor named Eli, average speed of 20 mph, 3 train cars, on
the 102 route
Train trainA = new Train("IOPS2", "Eli", 20, 3, routeA);

9. Train trainB = new Train("LSHC6", "Lydia", 35, 5, routeB);
//Let's learn more about these trains with our toString methods
System.out.println("Initial Train Statusn");
System.out.println(trainA);
System.out.println();
System.out.println(trainB);
System.out.println("n================================n");
System.out.println("Gaining passengers and loading them onto trains...n");
// Lets wait for people to accumulate at our train stations
stationA.gainPassengers();
stationB.gainPassengers();
stationC.gainPassengers();
//Check how many people are waiting at station A
System.out.println("There are currently " + stationA.getPassengersWaiting() + " passengers
waiting at the " + stationA.getStationName() + " station.");
//Load the trains
trainA.letPassengersOn();
trainB.letPassengersOn();
System.out.println("nPassengers have loaded on the trains.n");
//Check on train A now that it has gained passengers
System.out.println(trainA);
//And check to make sure folks have loaded
System.out.println("There are currently " + stationA.getPassengersWaiting() + " passengers
waiting at the " + stationA.getStationName() + " stop.");

10. System.out.println("n================================n");
System.out.println("The trains will ride to their next stops!n");
System.out.println("Train " + trainA.getTrainIdentifier() + " took " +
trainA.moveToNextStation() + " minutes to reach " + trainA.currentStation.getStationName());
System.out.println("Bus " + trainB.getTrainIdentifier() + " took " + trainB.moveToNextStation()
+ " minutes to reach " + trainB.currentStation.getStationName());
System.out.println("n================================n");
System.out.println("Letting Train A cycle aroundn");
//Let off Train A's passengers and let on new ones
trainA.letPassengersOff();
trainA.letPassengersOn();
System.out.println(trainA);
//Move one more time
System.out.println("Bus " + trainA.getTrainIdentifier() + " took " + trainA.moveToNextStation()
+ " minutes to reach " + trainA.currentStation.getStationName());
System.out.println("n================================n");
//Don't forget to thank the conductors!
trainA.thankTheConductor();
trainB.thankTheConductor();
System.out.println();
}
}
Bus Route #61: Connects 0akland with eastward residential areas. Stop #12342: 0akland 0
passengers waiting. Stop #62341: Swissvale 0 passengers waiting. Bus Route #71: Connects
0akland with Downtown. Stop #87236: Downtown 0 passengers waiting. Stop #12342: 0akland
0 passengers waiting. Initial Bus Status Bus KLJF3 (Molly) traveling on route #61 Currently
stopped at Oakland 0 seats taken out of 30 Bus LSHC6 (Keyang) traveling on route #71

11. Currently stopped at Downtown 0 seats taken out of 30 Gaining passengers and loading them
onto buses... There are currently 10 passengers waiting at the 0akland stop. Passengers have
loaded on the buses. Bus KLJF3 (Molly) traveling on route #61 Currently stopped at Oakland 10
seats taken out of 30 There are currently 0 passengers waiting at the 0akland stop. The buses will
drive to their next stops! Bus KLJF3 took 14.767621495288237 minutes to reach Swissvale Bus
LSHC6 took 4.074139899040656 minutes to reach 0akland Letting bus A cycle around Bus
KLJF3 (Molly) traveling on route #61 Currently stopped at Swissvale 25 seats taken out of 30
Bus KLJF3 took 14.767621495288237 minutes to reach 0akland Thanks Molly! Thanks Keyang!
Metro Route #102: Connects Downtown and Station Square Station #41232: Downtown 0
passengers waiting. Station #92319: Station Square 0 passengers waiting. Metro Route #103:
Connects Downtown and the North Shore Station #12091: North Shore 0 passengers waiting.
Station #41232: Downtown 0 passengers waiting. Initial Train Status Train IOPS2 (Eli)
traveling on route #102 Currently stopped at Downtown 0 seats taken out of 360 Train LSHC6
(Lydia) traveling on route #103 Currently stopped at North Shore 0 seats taken out of 600
Gaining passengers and loading them onto trains... There are currently 28 passengers waiting at
the Downtown station. Passengers have loaded on the trains. Train IOPS2 (Eli) traveling on route
#102 Currently stopped at Downtown 28 seats taken out of 360 There are currently 0 passengers
waiting at the Downtown stop. The trains will ride to their next stops! Train IOPS2 took
3.0149626863362666 minutes to reach Station Square Bus LSHC6 took 2.181929496232776
minutes to reach Downtown Letting Train A cycle around Train IOPS2 (Eli) traveling on route
#102 Currently stopped at Station Square 12 seats taken out of 360 Bus IOPS2 took
3.0149626863362666 minutes to reach Downtown Thanks Eli! Thanks Lydia!