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Write a program to implement an appointment book. Implement a superclass Appointment and subclasses Onetime, Daily, and Monthly. An appointment has a description (for example, “meet with accountant”) and a date. Write a method occurs On(int year, int month, int day) that checks whether the appointment occurs on that date. For example, for a monthly appointment, you must check whether the day of the month matches. Then fill an array of Appointment objects with a mixture of appointments. Have the user enter a date and print out all appointments that occur on that date. Allow the user to add new appointments. The user must specify the type of appointment, the description, and the date. Provide a test class to show the implementation of your appointment book. Follow all directions in the COP3337 Class Rules for Submitting Programs. Please use the file > export > to zip option in NetBeans. The zip file should be named FirstNameLastNameA3.zip.
Expert Answer
Appointment.java
public class Appointment {
protected String description;
protected int day, month, year;
public Appointment(String desc, int d, int m, int y)
{
description = desc;
day = d;
month = m;
year = y;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
public int getDay() {
return day;
}
public void setDay(int day) {
this.day = day;
}
public int getMonth() {
return month;
}
public void setMonth(int month) {
this.month = month;
}
public int getYear() {
return year;
}
public void setYear(int year) {
this.year = year;
}
public boolean occursOn(int d, int m, int y)
{
if(getDay() == d && getMonth() == m && getYear() == y)
return true;
else
return false;
}
public String toString()
{
return description +” on “+ day +”/”+month+”/” +year ;
}
}
OneTime.java
//uses the occursOn defined in Appointment class
public class OneTime extends Appointment {
public OneTime(String desc, int d, int m, int y) {
super(desc, d, m, y);
}
public String toString()
{
return “[OneTime] “+super.toString();
}
}
Monthly.java
public class Monthly extends Appointment {
public Monthly(String desc, int d, int m, int y) {
super(desc, d, m, y);
}
//override super class method
public boolean occursOn(int d, int m, int y)
{
if(getDay() == d) //since this is monthly appointment , we only need to check if the day matches
return true;
else
return false;
}
public String toString()
{
return “[Monthly] “+ description + ” on day “+day+” of the month”;
}
}
Daily.java
public class Daily extends Appointment {
public Daily(String desc, int d, int m, int y) {
super(desc, d, m, y);
}
//override super class method
public boolean occursOn(int d, int m, int y)
{
return true; //since it occurs daily, there is no need to check day, month or year
}
public String toString()
{
return “[Daily] “+description;
}
}
AppointmentBook.java
import java.util.ArrayList;
public class AppointmentBook {
ArrayList<Appointment> appointments;
public AppointmentBook()
{
appointments = new ArrayList<Appointment>();
}
public void addAppointment(Appointment a)
{
appointments.add(a);
}
public void showAll()
{
for(Appointment a : appointments)
System.out.println(a.toString());
}
public void show(int d, int m, int y)
{
for(Appointment a : appointments)
if(a.occursOn(d, m, y))
System.out.println(a.toString());
}
}
TestAppointment.java
import java.util.Scanner;
public class TestAppointment {
public static void main(String[] args) {
AppointmentBook book = new AppointmentBook();
book.addAppointment(new Monthly(“Pay electric bill”,5,1,2017));
book.addAppointment(new Daily(“Meet Mr. John”,10,2,2017));
book.addAppointment(new OneTime(“Meet dentist”, 15, 2, 2017));
System.out.println(“The appointments in the book are “);
book.showAll();
Scanner scanner = new Scanner(System.in);
String ans, desc;
int type, d, m, y;
Appointment app;
while(true)
{
System.out.println(“Add an appointment? y/n: “);
ans = scanner.next();
if(!ans.equalsIgnoreCase(“y”))
break;
else
{
while(true)
{
System.out.println(“1. One time”);
System.out.println(“2. Daily”);
System.out.println(“3. Monthly”);
System.out.println(“Choose appointment type: “);
type = scanner.nextInt();
if(type>=1 && type<=3)
break;
}
scanner.nextLine(); //flush newline
System.out.println(“Enter description: “);
desc = scanner.nextLine();
System.out.println(“Enter day: “);
d = scanner.nextInt();
System.out.println(“Enter month: “);
m = scanner.nextInt();
System.out.println(“Enter year: “);
y = scanner.nextInt();
if(type == 1)
app = new OneTime(desc, d, m, y);
else if(type == 2)
app = new Daily(desc, d, m, y);
else
app = new Monthly(desc, d, m, y);
book.addAppointment(app);
}
}
System.out.println(“nThe appointments in the book are “);
book.showAll();
System.out.println(“nEnter date to show appointments for the date”);
System.out.println(“Enter day: “);
d = scanner.nextInt();
System.out.println(“Enter month: “);
m = scanner.nextInt();
System.out.println(“Enter year: “);
y = scanner.nextInt();
book.show(d, m, y);
}
}
output
The appointments in the book are
[Monthly] Pay electric bill on day 5 of the month
[Daily] Meet Mr. John
[OneTime] Meet dentist on 15/2/2017
Add an appointment? y/n:
y
1. One time
2. Daily
3. Monthly
Choose appointment type:
1
Enter description:
pay school fees
Enter day:
12
Enter month:
06
Enter year:
2017
Add an appointment? y/n:
y
1. One time
2. Daily
3. Monthly
Choose appointment type:
3
Enter description:
pay gas bill
Enter day:
5
Enter month:
4
Enter year:
2017
Add an appointment? y/n:
y
1. One time
2. Daily
3. Monthly
Choose appointment type:
2
Enter description:
discuss project status
Enter day:
7
Enter month:
5
Enter year:
2017
Add an appointment? y/n:
n
The appointments in the book are
[Monthly] Pay electric bill on day 5 of the month
[Daily] Meet Mr. John
[OneTime] Meet dentist on 15/2/2017
[OneTime] pay school fees on 12/6/2017
[Monthly] pay gas bill on day 5 of the month
[Daily] discuss project status
Enter date to show appointments for the date
Enter day:
5
Enter month:
6
Enter year:
2017
[Monthly] Pay electric bill on day 5 of the month
[Daily] Meet Mr. John
[Monthly] pay gas bill on day 5 of the month
[Daily] discuss project status
