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HotelReservationSystem.java
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177 lines (147 loc) · 5.28 KB
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import java.util.Scanner;
abstract class Room {
protected String roomNumber;
protected String roomType;
public Room(String roomNumber, String roomType) {
this.roomNumber = roomNumber;
this.roomType = roomType;
}
public abstract void bookRoom();
public abstract void checkout();
}
interface RoomService {
void orderRoomService();
}
interface LaundryService {
void requestLaundryService();
}
class StandardRoom extends Room implements RoomService {
public StandardRoom(String roomNumber) {
super(roomNumber, "Standard Room");
}
@Override
public void bookRoom() {
System.out.println("Room " + roomNumber + " of type " + roomType + " has been booked.");
}
@Override
public void checkout() {
System.out.println("Checked out of room " + roomNumber + ".");
}
@Override
public void orderRoomService() {
System.out.println("Room service ordered for room " + roomNumber + ".");
}
}
class DeluxeRoom extends Room implements RoomService {
public DeluxeRoom(String roomNumber) {
super(roomNumber, "Deluxe Room");
}
@Override
public void bookRoom() {
System.out.println("Room " + roomNumber + " of type " + roomType + " has been booked.");
}
@Override
public void checkout() {
System.out.println("Checked out of room " + roomNumber + ".");
}
@Override
public void orderRoomService() {
System.out.println("Room service ordered for room " + roomNumber + ".");
}
}
class Suite extends Room implements RoomService, LaundryService {
public Suite(String roomNumber) {
super(roomNumber, "Suite");
}
@Override
public void bookRoom() {
System.out.println("Room " + roomNumber + " of type " + roomType + " has been booked with complimentary services.");
}
@Override
public void checkout() {
System.out.println("Checked out of room " + roomNumber + ".");
}
@Override
public void orderRoomService() {
System.out.println("Room service ordered for suite " + roomNumber + ".");
}
@Override
public void requestLaundryService() {
System.out.println("Laundry service requested for suite " + roomNumber + ".");
}
}
public class HotelReservationSystem {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
Room room = null;
while (true) {
System.out.println("Select room type:");
System.out.println("1. Standard Room");
System.out.println("2. Deluxe Room");
System.out.println("3. Suite");
System.out.println("4. Exit");
int choice = scanner.nextInt();
if (choice == 4) {
break;
}
System.out.print("Enter room number: ");
String roomNumber = scanner.next();
switch (choice) {
case 1:
room = new StandardRoom(roomNumber);
break;
case 2:
room = new DeluxeRoom(roomNumber);
break;
case 3:
room = new Suite(roomNumber);
break;
default:
System.out.println("Invalid choice. Please try again.");
continue;
}
while (true) {
System.out.println("\nChoose operation:");
System.out.println("1. Book Room");
System.out.println("2. Checkout");
System.out.println("3. Order Room Service");
if (room instanceof Suite) {
System.out.println("4. Request Laundry Service");
}
System.out.println("5. Back to Room Type Selection");
int operation = scanner.nextInt();
try {
switch (operation) {
case 1:
room.bookRoom();
break;
case 2:
room.checkout();
break;
case 3:
if (room instanceof RoomService) {
((RoomService) room).orderRoomService();
}
break;
case 4:
if (room instanceof LaundryService) {
((LaundryService) room).requestLaundryService();
}
break;
case 5:
break;
default:
System.out.println("Invalid operation. Please try again.");
}
} catch (Exception e) {
System.out.println("An error occurred: " + e.getMessage());
scanner.next();
}
if (operation == 5) {
break;
}
}
}
scanner.close();
}
}