COIT20245: JAVA Program Using Array of Objects- IT Report Writing Assignment

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IT Report Writing Assignment:
Task:
For this assignment, you are required to develop a Menu Driven Console Java Program to demonstrate you can use Java constructs including input/output via GUI dialogs, Java primitive and built-in types, Java defined objects, arrays, selection and looping statements and various other Java commands. Your program must produce the correct results.
The code for the menu and option selection is supplied: Hotel.java and is available on the unit website, you must write the underlying code to implement the program. The menu selections are linked to appropriate methods in the given code. Please spend a bit of time looking at the given code to familiarise yourself with it and where you have to complete the code. You will need to write comments in the supplied code as well as your own additions.
What to submit for this assignment
The Java source code:
1. Booking.java
2. Hotel.java
If you submit the source code with an incorrect name you will lose marks.
A report including an UML class diagram of your Booking class, how long it took to create the whole program, any problems encountered and screen shots of the output produced. (Use Alt-PrtScrn to capture just the application window and you can paste it into your Word document). You should test and annotate every possibility in the program.
1.  ReportAss2.docx
Assignment Specification:
You have completed the console program for processing bookings at the Rocky Budget Hotel. We are going to extend this application so the customer’s name and days to stay at the hotel can be stored in an array of objects, do not use ArrayList. The program will run via a menu of options, the file Hotel.java has been supplied (via the Moodle web site) which supplies the basic functionality of the menu system.
java
Look at the code supplied and trace the execution and you will see the menu is linked to blank methods (stubs) which you will implement the various choices in the menu.
Booking class
First step is to create a class called Booking (Booking.java).
The Booking class will be very simple it will contain two private instance variables:
1. name as a String
2. days as an integer
You should also have constants for the varying daily rates i.e $110, $100, $90 and $70.
The following public methods will have to be implemented:
1. A default constructor
2. A parameterised constructor
3. Two set methods (mutators)
4. Two get methods (accessors)
5. A method calculateCharges() to calculate and return the total charge. This calculation will be the same as in assignment one i.e. First day is $110, the next two days will be $100 per day, the next four days will be $90 per day and the following week will be $70 per day with a maximum of 14 days in total.
Note: following basic database principles, calculated values are not usually stored, so in this case we will not store the charges as a instance variable, but use the calculateCharges() method when we want to access the charges.
Hotel class
Once the Booking class is implemented and fully tested we can now start to implement the functionality of the menu system Hotel.java.
Data structures
For this assignment we are going to store the customer names and days to stay in an array of Booking objects.
Declare an array of Booking objects as an instance variable of the Hotel class, the array should hold twenty bookings.
You will need another instance variable (integer) to keep track of the number of the bookings being entered and use this for the index into the array of Booking objects.
Menu options
1. Enter customer name and days to stay: enterBooking()
For assignment two we are going to use the GUI dialog showInputDialog() for our input. You will need to create the following two dialogs to receive the input from the user. You will not implement the functionality of the cancel key (need to use exceptions for this). Use Integer.parseInt() to convert the number as a string into an integer for the number of days to stay.
java1
When the customer name and days to stay have been entered successfully into two local variables you will need to add these values into the Booking object array, you will also need to increment a counter to keep track of the number of bookings you have entered and the position in the array of the next booking to be entered.
When the maximum number of bookings is reached (20) do not attempt to add any more bookings and give the following error message:
java2
When the booking details have been successfully entered, display the details of the booking and the charge on the console screen.
java3
2. Display all bookings: displayAllBookings()
When this option is selected display all of the bookings which have been entered so far.
java4
3. Display statistics: displayStatistics()
When this option is selected you will display the statistics as per assignment one. You can loop through your array of objects to calculate this information.
java5
4. Search for booking: searchBookings()
You can just use a simple linear search which will be case insensitive. Use the showInputDialog() method to input the name (you can share this functionality from enter name in enter booking).
java6
5. Sort the bookings: sortBookings()
This option you will sort the bookings alphabetically (ignore case) by the customer names, you can use any sorting algorithm which you like, do not use any in-built sort methods. Display the sorted list after the sort is complete.
java7
java8
Your program should be well laid out, commented and uses appropriate and consistent names (camel notation) for all variables, methods and objects. Make sure you have no repeated code (even writing headings in the output)
Constants must be used for all numbers in your code.

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