initial

src/edu/africa/TripToAfrica.java

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+package edu.africa;
+//TIP To <b>Run</b> code, press <shortcut actionId="Run"/> or
+// click the <icon src="AllIcons.Actions.Execute"/> icon in the gutter.
+import edu.trip.AirplaneReservation;
+import edu.trip.HotelReservation;
+import edu.trip.Person;
+import edu.trip.RentalCarReservation;
+import edu.trip.Trip;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Future;
+
+public class TripToAfrica {
+    public static void main(String[] args) throws Exception {
+        try (var executor = Executors.newVirtualThreadPerTaskExecutor()) {
+            Future<Float> future = executor.submit(() -> {
+                Trip trip = new Trip();
+                trip.theme = "Going To Africa";
+                trip.organizer= new Person();
+                trip.addReservation(new HotelReservation());
+                trip.addReservation(new AirplaneReservation());
+                trip.addReservation(new RentalCarReservation());
+
+                return trip.calculatePrice();
+
+            });
+            System.out.println("done: " + future.get());
+        }
+    }
+}

src/edu/trip/Address.java

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+package edu.trip;
+
+public class Address {
+
+  public String street;
+
+  public String city;
+
+  public String state;
+
+  public String zip;
+
+  //format and return object's data in XML format
+  public String toString() {
+	  return null;
+  }
+
+  //create and return a copy of the object
+  public Address clone() {
+	  return null;
+  }
+
+}

src/edu/trip/AirplaneReservation.java

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+package edu.trip;
+
+import java.util.Date;
+
+public class AirplaneReservation extends Reservation {
+
+  public String sourceAirport;
+
+  public String destinationAirport;
+
+  public Date flightDate;
+
+  public String airline;  // 3 letter airport designation
+
+  //format and return object's data in XML format
+  public String toString() {
+	  return null;
+  }
+
+  //update reservation data using passed in parameters
+  public void updateAirplaneReservation(String aline, String sAirport, String dAirport, Date fDate) {
+  }
+
+  // calculate and return the distance between source and destination airport
+  public int airportDistance() {
+	  return 0;
+  }
+
+  //calculate and return the reservation's price
+  public float calculatePrice() {
+	  return 0.0f;
+  }
+
+  //create and return a copy of the object
+  public AirplaneReservation clone() {
+	  return null;
+  }
+
+}

src/edu/trip/HotelReservation.java

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+package edu.trip;
+
+import java.util.Date;
+
+public class HotelReservation extends Reservation {
+
+  public Address address;
+
+  public String roomType;   // single or double
+
+  public Date checkIn;
+
+  public Date checkOut;
+
+  //format and return object's data in XML format
+  public String toString() {
+	  return null;
+  }
+
+  //calculate and return the reservation's price
+  public float calculatePrice() {
+	  return 0.0f;
+  }
+
+  //update reservation data using passed in parameters
+  public void updateHotelReservation(String roomType, Date checkIn, Date checkOut, Address address) {
+  }
+
+  //create and return a copy of the object
+  public HotelReservation clone() {
+	  return null;
+  }
+
+}

src/edu/trip/Person.java

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+package edu.trip;
+
+public class Person {
+
+  public String name;   // save the name value
+
+  // format and return object's data in XML format
+  public String toString() {
+	  return null;
+  }
+
+  // create and return a copy of the object
+  public Person clone() {
+	  return null;
+  }
+
+}

src/edu/trip/RentalCarReservation.java

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+package edu.trip;
+
+import java.util.Date;
+
+public class RentalCarReservation extends Reservation {
+
+  public String make;
+
+  public String model;
+
+  public Date scheduledPickUp;
+
+  public Date scheduledDropOff;
+
+  public Date actualPickUp;
+
+  public Date actualDropOff;
+
+  public float window;  // window of how far on either side the car can be picked up and dropped off
+
+  // update reservation data using passed in parameters
+  public void updateRentalCarReservation(String make, String model, Date scheduledPickUp, Date scheduledDropOff, Date actualPickUp, Date actualDropOff, float window) {
+  }
+
+  //format and return object's data in XML format
+  public String toString() {
+	  return null;
+  }
+
+  //calculate and return the reservation's price
+  public float calculatePrice() {
+	  return 0.0f;
+  }
+
+  //create and return a copy of the object
+  public RentalCarReservation clone() {
+	  return null;
+  }
+
+}

src/edu/trip/Reservation.java

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+package edu.trip;
+
+public class Reservation {
+
+  public String confirmationNumber;	// unique confirmation number for the reservation (generated by UI)
+  public String contractPhoneNumber; // contact number for the reservation
+
+  // calculate and return the reservation's price
+  public float calculatePrice() {
+	  return 0.0f;
+  }
+
+  //format and return object's data in XML format
+  public String toString() {
+	  return null;
+  }
+
+  //create and return a copy of the object
+  public Reservation clone() {
+	  return null;
+  }
+
+}

src/edu/trip/Trip.java

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+package edu.trip;
+
+import java.util.List;
+
+public class Trip {
+
+  public List<Reservation> reservations;  // save and manage multiple trip.Reservation objects
+  public Person organizer;  // person responsible for the trip
+  public String theme;  // theme of the trip
+
+  // add reservation object to the list of trip.Reservation objects (check for duplicates)
+  // and return the number of reservation
+  public int addReservation(Reservation reservation) {
+	  return 0;
+  }
+
+  // find matching reservation in Vector list and update it with parameter's value
+  public void updateReservation(Reservation reservation) {
+  }
+
+  // find trip.Reservation in Vector that matches conf number and delete from Vector
+  public void deleteReservation(String confirmationNumber) {
+  }
+
+  // save trip.Trip information to the passed in file
+  public void saveToFile(String fileName) {
+  }
+
+  // calculate and return the trip.Trip's price
+  public float calculatePrice() {
+	  return 0.0f;
+  }
+
+ }

src/edu/trip/TripOrganizer.java

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+package edu.trip;
+
+public class TripOrganizer {
+
+  public Trip trip;		// store and manage a single trip.Trip object at a time
+
+  // Add reservation to the currently loaded trip.Trip
+  public void addReservation(Reservation reservation) {
+  }
+
+  // save current trip.Trip data to a file
+  public void saveToFile(String filename) {
+  }
+
+  // load a trip.Trip object from a file
+  public void openFromFile(String filename) {
+  }
+
+  // update the currently loaded trip.Trip's reservation (one that matches the parameter)
+  public void editReservation(Reservation reservation) {
+  }
+
+  // delete reservation matching conf number from currently loaded trip
+  public void deleteReservation(String confirmationNumber) {
+  }
+
+  // delete the currently loaded trip.Trip and its file (value smust match)
+  public void deleteTrip(String fileName) {
+  }
+
+  // load new trip.Trip from the passed in object (close the currently loaded trip.Trip)
+  public void createNewTrip(Trip trip) {
+  }
+
+}

src/edu/trip/package-info.java

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+/**
+ * This package contains utility classes for Trip Reservation operations.
+ * <p>
+ * It includes classes for TripOrganize and Trip processing of Reservations.
+ * </p>
+ * @since 1.0
+ * @author theAuthor
+ * @version 1.1
+ */
+package edu.trip;

src/module-info.java

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+module edu.trip {
+    exports edu.trip;
+}
+