import java.util.*;
// Create class for hotel data.
class Hotel implements Comparable<Hotel> {
static String sortParam = "name";
String name;
int roomAvl;
String location;
int rating;
int pricePr;
// Constructor
public Hotel(String name, int roomAvl, String location, int rating, int pricePr) {
this.name = name;
this.roomAvl = roomAvl;
this.location = location;
this.rating = rating;
this.pricePr = pricePr;
}
// Function to change sort parameter to name
public static void sortByName() {
sortParam = "name";
}
// Function to change sort parameter to rating.
public static void sortByRate() {
sortParam = "rating";
}
// Function to change sort parameter to room availability.
public static void sortByRoomAvailable() {
sortParam = "roomAvl";
}
@Override
public int compareTo(Hotel other) {
switch(sortParam) {
case "name":
return this.name.compareTo(other.name);
case "rating":
return Integer.compare(this.rating, other.rating);
case "roomAvl":
return Integer.compare(this.roomAvl, other.roomAvl);
default:
return 0;
}
}
@Override
public String toString() {
return "PRHOTELS DATA:\nHotelName:" + this.name + "\tRoom Available:" + this.roomAvl + "\tLocation:" + this.location + "\tRating:" + this.rating + "\tPricePer Room:" + this.pricePr;
}
}
// Create class for user data.
class User {
String uname;
int uId;
int cost;
// Constructor
public User(String uname, int uId, int cost) {
this.uname = uname;
this.uId = uId;
this.cost = cost;
}
@Override
public String toString() {
return "UserName:" + this.uname + "\tUserId:" + this.uId + "\tBooking Cost:" + this.cost;
}
}
public class Main {
// Print hotels data.
public static void printHotelData(ArrayList<Hotel> hotels) {
for (Hotel h : hotels) {
System.out.println(h);
}
}
// Sort Hotels data by name.
public static void sortHotelByName(ArrayList<Hotel> hotels) {
System.out.println("SORT BY NAME:");
Hotel.sortByName();
Collections.sort(hotels);
printHotelData(hotels);
System.out.println();
}
// Sort Hotels by rating
public static void sortHotelByRating(ArrayList<Hotel> hotels) {
System.out.println("SORT BY A RATING:");
Hotel.sortByRate();
Collections.sort(hotels);
printHotelData(hotels);
System.out.println();
}
// Print Hotels for any city Location.
public static void printHotelByCity(String s, ArrayList<Hotel> hotels) {
System.out.println("HOTELS FOR " + s + " LOCATION ARE:");
ArrayList<Hotel> hotelsByLoc = new ArrayList<>();
for (Hotel h : hotels) {
if (h.location.equals(s)) {
hotelsByLoc.add(h);
}
}
printHotelData(hotelsByLoc);
System.out.println();
}
// Sort hotels by room Available.
public static void sortByRoomAvailable(ArrayList<Hotel> hotels) {
System.out.println("SORT BY ROOM AVAILABLE:");
Hotel.sortByRoomAvailable();
Collections.sort(hotels);
printHotelData(hotels);
System.out.println();
}
// Print the user's data
public static void printUserData(String[] userName, int[] userId, int[] bookingCost, ArrayList<Hotel> hotels) {
ArrayList<User> users = new ArrayList<>();
// Access user data.
for (int i = 0; i < 3; i++) {
User u = new User(userName[i], userId[i], bookingCost[i]);
users.add(u);
}
for (int i = 0; i < users.size(); i++) {
System.out.println(users.get(i) + "\tHotel name:" + hotels.get(i).name);
}
}
// Function to solve Hotel Management problem
public static void hotelManagement(String[] userName, int[] userId, String[] hotelName, int[] bookingCost, int[] rooms, String[] locations, int[] ratings, int[] prices) {
// Initialize array that stores hotel data
ArrayList<Hotel> hotels = new ArrayList<>();
// Initialise the data
for (int i = 0; i < 3; i++) {
Hotel h = new Hotel(hotelName[i], rooms[i], locations[i], ratings[i], prices[i]);
hotels.add(h);
}
System.out.println();
// Call the various operations
printHotelData(hotels);
sortHotelByName(hotels);
sortHotelByRating(hotels);
printHotelByCity("Bangalore", hotels);
sortByRoomAvailable(hotels);
printUserData(userName, userId, bookingCost, hotels);
}
// Driver Code.
public static void main(String[] args) {
// Initialize variables to stores hotels data and user data.
String[] userName = {"U1", "U2", "U3"};
int[] userId = {2, 3, 4};
String[] hotelName = {"H1", "H2", "H3"};
int[] bookingCost = {1000, 1200, 1100};
int[] rooms = {4, 5, 6};
String[] locations = {"Bangalore", "Bangalore", "Mumbai"};
int[] ratings = {5, 5, 3};
int[] prices = {100, 200, 100};
// Function to perform operations
hotelManagement(userName, userId, hotelName, bookingCost, rooms, locations, ratings, prices);
}
}
