import java.util.*;
import util.DateTime;

/*
* CityLodge class
* Room management, main program logic
*/
public class CityLodge {

private Scanner userInput;
private ArrayList<String> roomIds;
private HashMap<String, Room> rooms;

/*
* Contructor
*/
public CityLodge() {
userInput = new Scanner(System.in);
roomIds = new ArrayList<String>();
rooms = new HashMap<String, Room>();
}

/*
* Method to display menu
*/
private void displayMenu() {
System.out.println("\n**** CITYLODGE MAIN MENU ****");
System.out.println("Add Room:          1");
System.out.println("Rent Room:          2");
System.out.println("Return Room:       3");
System.out.println("Room Maintenance:    4");
System.out.println("Complete Maintenance: 5");
System.out.println("Display All Rooms: 6");
System.out.println("Exit Program:       7");

}

/*
* Method to add room
*/
private void addRoom() {
// Get room type
String roomType;
while (true) {
System.out.print("\nStandard or Suite: ");
roomType = userInput.nextLine();
if (roomType.equals("Standard") || roomType.equals("Suite"))
break;
else
System.out.println("Error: Invalid room type");
}
// Get room id
String roomId;
while (true) {
System.out.print("Room id: ");
roomId = userInput.nextLine();
if (rooms.containsKey(roomId)) {
System.out.println("Error: Room id already exists.");
continue;
}
if (roomType.equals("Standard") && roomId.length() > 2 && roomId.substring(0,2).equals("R_"))
break;
else if (roomType.equals("Suite") && roomId.length() > 2 && roomId.substring(0,2).equals("S_"))
break;
else
System.out.println("Error: Invalid room ID");
}
// Get number of beds
String numOfBedsString;
int numOfBeds;
if (roomType.equals("Standard")) {
while (true) {
System.out.print("Number of beds (1, 2, or 4): ");
numOfBedsString = userInput.nextLine();
if (numOfBedsString.equals("1") || numOfBedsString.equals("2") || numOfBedsString.equals("4"))
break;
else
System.out.println("Error: Invalid number of beds");
}
numOfBeds = Integer.parseInt(numOfBedsString);
// Add StandardRoom
StandardRoom room = new StandardRoom(roomId, numOfBeds);
roomIds.add(roomId);
rooms.put(roomId, room);
} else {
// Get maintenance date
DateTime lastMaintenanceDate;
while (true) {
System.out.print("Maintenance completion date (dd/mm/yyyy): ");
String[] date = userInput.nextLine().split("/");
if (date.length != 3) {
System.out.println("Error: Invalid date");
continue;
}
int day = Integer.parseInt(date[0]);
int month = Integer.parseInt(date[1]);
int year = Integer.parseInt(date[2]);
lastMaintenanceDate = new DateTime(day, month, year);
if (day >= 1 && day <= 31 && month >= 1 && month <= 12 && year >= 0)
break;
else
System.out.println("Error: Invalid date");
}
// Add Suite
Suite room = new Suite(roomId, lastMaintenanceDate);
roomIds.add(roomId);
rooms.put(roomId, room);
}
System.out.println("Room " + roomId + " has been added");
}

/*
* Method to rent room
*/
private void rentRoom() {
if (rooms.isEmpty()) {
System.out.println("\nThere are no rooms.");
return;
}
// Get room id
String roomId;
while (true) {
System.out.print("\nRoom id: ");
roomId = userInput.nextLine();
if (rooms.containsKey(roomId))
break;
else
System.out.println("Error: Invalid room id");
}
// Get customer ID
System.out.print("Customer id: ");
String customerId = userInput.nextLine();
// Get rent date
DateTime rentDate;
while (true) {
System.out.print("Rent date (dd/mm/yyyy): ");
String[] date = userInput.nextLine().split("/");
if (date.length != 3) {
System.out.println("Error: Invalid date");
continue;
}
int day = Integer.parseInt(date[0]);
int month = I

This program takes user input of cartoon character data and utilize...