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8/10/2019 Object Oriented Development with Java Documentation JJ ^

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JJ event management system [Year]

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Object Oriented Development with Java (CT038-3-2)

CE00382-2

Individual Assignment

Student Name Leim Jing Jie (TP025470)

Intake Code UC2F1310IT(NC)

Hand-in Date 18 July 2014

Lecturer Mr. Lee Kim Keong


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Table of Contents

Introduction .................................................................................................................................................. 4

Diagram ........................................................................................................................................................ 5

Use Case Diagram ..................................................................................................................................... 5

Use case specification ........................................................................................................................... 6

Class Diagram ......................................................................................................................................... 14

Activity Diagram .................................................................................................................................... 15

Login .................................................................................................................................................... 15

Create New Programme ..................................................................................................................... 15

Manage roles of staff .......................................................................................................................... 16

Produce Report ................................................................................................................................... 16

Approve Event ..................................................................................................................................... 17

Sent Invitation ..................................................................................................................................... 17

Add Event ............................................................................................................................................ 18

Update Event ...................................................................................................................................... 18

Delete Event ........................................................................................................................................ 19

Coordinate event schedule ................................................................................................................. 19

Register Student .................................................................................................................................. 20

View event by schedule ...................................................................................................................... 21

Self-register ......................................................................................................................................... 21

Download brochure ............................................................................................................................ 22

Set Reminder ....................................................................................................................................... 22

Object Oriented Programming Concept...................................................................................................... 23

Class ........................................................................................................................................................ 23

Object ...................................................................................................................................................... 24

Constructor .............................................................................................................................................. 25

Polymorphism ......................................................................................................................................... 26

Encapsulation .......................................................................................................................................... 27

Inheritance............................................................................................................................................... 28

Interface .................................................................................................................................................. 29

Additional Features ..................................................................................................................................... 30


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Reading with binary file .......................................................................................................................... 30

Writing with binary file .......................................................................................................................... 31

Reading with txt file ................................................................................................................................ 32

Writing with txt file ................................................................................................................................ 33

Background ............................................................................................................................................. 34

Validation purpose .................................................................................................................................. 34

Writing file to PDF ................................................................................................................................. 35

Send Email with attachment ................................................................................................................... 36

Sample Output ............................................................................................................................................ 38

Assumption Made ....................................................................................................................................... 48

Conclusion .................................................................................................................................................. 49

Reference .................................................................................................................................................... 50


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Introduction

The event management system is developed for the Universitys faculty or department to ease

their task on organizing the events. Event is held constantly to enable the participated students to

gain knowledge and skills from the event. There are different kinds of event held by the

university, such as debates, competition, soft-skill, IT professional tanning, et cetera.

There are 5 types of end users for this event management system, which Head of School (HOS),

Academic Group Leader (AGL), Program Coordinator (PC), Lecturer (L) and Students (STU).

Each of the users is having different roles and accessibility in this system.

Login system is used to differentiate each user. The end users are required to login in order to

use the system. Once login successfully, they will be directed to respective main menu. In thissystem, PC can manage the event, while approval of event is done by the HOS and AGL. Once

the email is approved, PC can send invitation to the filtered group of people to join the event. If

student is interested to the event, they can register themselves to the event or call PC to register

their name to the event.

Once registration process is end, email notification of the event and attachment of receipt for

joining the event is send to the student. Lastly, the AGL and HOS can create reports for every

event created in this system for academic planning purpose


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Diagram

Use Case Diagram

(Jacobson, 2003)


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Use case specification

1. Use case:Login

Brief description:Only authorized user are allowed to use the system

Actors:Head of school and Academic group leader, Program coordinator, Lecturer and

Student

Main flow:

a. Login page will be displayed.

b. Actor are required to enter their username and password

c. The system will verifies the user data in the user login information from the database.

Alternative flow:

a.

Wrong password is entered.

b. Login information is not entered.

c. If the user forgets the login password, they need to inform the administrator to change

the password.

Post conditions:Login successfully.

2. Use case:Create new program

Brief description: AGL and HOS are allowed to create programme in the systemActors:Academic group leader and Head of school

Main flow:

a. The actors main menu will be displayed.

b. The actors are required to click create programme button.

c. The actors are required to enter all the information required for creating a new

programme.

Alternative flow:

a. Wrong information of programme is entered.

b. Programme is not saved into the database.

Post conditions:Adding new program successfully.


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Post conditions:Successfully generate the report.

5. Use case:Approve event

Brief description: Only HOS and AGL are allowed to approve the event created by the

programme coordinator.

Actors:Head of school and Academic group leader

Main flow:

a. Approve event page is displayed.

b. All the events created by the programme coordinator are listed in the combo box.

c. The actors can select the event and choose to approve or not approve the event.

Alternative flow:

a. There is no event in the database.

b. Fail to retrieve event information from the database.

c. The event information displayed in the text field is incorrect.

Post conditions:Successfully approve and not approve the event.

6. Use case:Add new event

Brief description: Programme coordinator can add new event in the system

Actors:Program coordinator

Main flow:

a. Add event page is displayed.

b. Programme coordinator is required to select which kind of programme and which

kind of event type from the combo box.

c. Programme coordinator is required to fill in the event information.

Alternative flow:

a. Wrong information is entered.

b. Event information is not stored in the database.

Post conditions:Successfully add event to the database.


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7. Use case:update event

Brief description: Programme Coordinator can search and update event information


Main flow:

a. Update event page is shown.

b. Actors search the event by entering the event name.

c. Event information is listed in the text field.

d. Actor is required to click edit button before update event information.

e. Actor edits the incorrect information of event and click update.

Alternative flow:

a. Invalid event name is entered.

b. Wrong event information is displayed

c. Fail to update the event information.

Post conditions:Successfully update event.

8. Use case:Delete event

Brief description: Programme Coordinator can search and delete event information


Main flow:

f. Update event page is shown.

g. Actors search the event by entering the event name.

h. Event information is listed in the text field.

i. Actor is required to click edit button before delete event information.

j. Actor edits the incorrect information of event and click update.

Alternative flow:

d. Invalid event name is entered.

e. Wrong event information is displayed

f. Fail to delete the event information.


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Post conditions:Successfully delete event.

9. Use case:Send invitation

Brief description: Programme coordinator is allowed to send invitation to the filtered

group of students and staff.


Preconditions:Approval of event is required before invitation of event can be sent.

Main flow:

a. Send invitation page is displayed.

b. Programme Coordinator is required to select which group of people is invited.

c. After that, list of that group of people is generated in the combo box.

d.

Actor is required to choose which people are invited and select event.

Alternative flow:

a. Fail to retrieve list of invited people and event information from the database.

b. Fail to send email due to SMTP protocol is not set up, wrong port numbers is used or

invalid email has been entered.

c. Fail to send email due to no internet connection.

Post conditions:Successfully send invitation.

10.Use case:Set event reminder

Brief description: Programme coordinator can set reminder before an event began.


Main flow:

a. Set event reminder page is displayed.

b. Actor is required to search event by event name.

c.

Actor is required to set reminder time.

d. Actor click set reminder button.

Alternative flow:

a. Fail to retrieve information from event database.


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b. Event is over.

Post conditions:Successfully set reminder for event.

11.

Use case:Coordinate event schedule

Brief description: Programme coordinator can set venue for the event.


Main flow:

a. Programme coordinator entered the event venue, date and time.

b. Programme coordinator set event venue.

Alternative flow:

a. Fail to save the venue in the database.

b. No venue available

Post conditions:Successfully set the event venue.

12.Use case:Register student

Brief description: Programme coordinator is allowed to register student to an event.


Main flow:

a. Actor is required to enter the student information.

b. Actor can search for event information by using event name.

c. Actor can collect payment and change payment status while the student registers to

event.

d. Actor can generate receipt.

e. Actor will attach the receipt and send to the student.

Alternative flow:

a) Fail to retrieve list of invited people and event information from the database.

b) Fail to send email due to SMTP protocol is not set up, wrong port numbers is used or


c) Fail to send email due to no internet connection.


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d) Fail to print the information of students and event to the receipt in the pdf and txt file.

e) Fail to attach the receipt to the email.

Post conditions:Successfully send the email with information of students and event to

the student.

13.Use case:Self register

Brief description: Student is allowed to register them to the event.

Actors:Student

Main flow:

a. Self-register page is displayed.

b. Actor is required to enter the student information.

c. Actor can search for event information by using event name.

d. Actor can collect payment and change payment status while the student registers to

event.

e. Actor can generate receipt.

f. Actor will attach the receipt and send to the student.

Alternative flow:

f)

Fail to retrieve list of invited people and event information from the database.

g) Fail to send email due to SMTP protocol is not set up, wrong port numbers is used or


h) Fail to send email due to no internet connection.

i) Fail to print the information of students and event to the receipt in the pdf and txt file.

j) Fail to attach the receipt to the email.

Post conditions:Successfully register to the event by themselves...

14.Use case:View event details

Brief description: Student and lecturer are allowed to view the event that is coming soon.

Actors:Student and Lecturer

Main flow:

a. View event page is displayed.


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b. Actors can click next button and previous button to view event details. choose to view

details of an event

c. Student and lecturer search event by key in event ID to view its details

Alternative flow:

a. Fail to retrieve event details in the database.

b. All events have past.

Post conditions:Successfully view event details.

15.Use case:Download event brochures

Brief description: Lecturer is allowed to view the event information and download the

brochure via email.

Actors:Lecturer

Main flow:

a. Get event brochure page is displayed.

b. Actors are required to search for the event that they are interested with.

c. Event details are displayed in the text field.

d. Actors are required to enter their email address.

e.

Actors can generate the event brochure and send the event brochure to their email.

f. Actors can download event brochure attachment via their email.

Alternative flow:

g. Fail to generate the event brochure.

h. Fail to retrieve event data.

i. Fail to send email to the lecturer with brochure attachment.

Post conditions:Successfully download event brochure.


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Class Diagram

+searchEvent()

+s : string

+input1 : string

+endOfFile : bool

sendInvitation+generatePDF()

-randomInt

-line

-input1

-eventNameA

-filename

SelfRegister +sendEmail()

interface

eventInterface

+generatePDF()

+randomInt : int

-fname : string

-s : string

-input1 : string

-eventNameA : string

RegisterStudent

+getEType() : string

+getEFee() : string

+getEName() : string

+getEDate() : string

+getEVenue() : string

+getProgramme() : string

+getExternalEntity() : string

+setEType()

+setEName()

+setEDate()

+setEFee()

+setEVenue()

+setProgramme()

+setExternalEntity()+deleteEvent() : bool

-programme : string

-externalEntity : string-eventType : string

-eventName : string

-eventDate : string

-venue : string

-eventFee : string

event

+getUsername()

+getPassword()

+getUserType()

+getName()

+getName()

+getStudentID()

+getEducationLvl()

+getStudentEmail()

+setUsername()

+setPassword()

+setUserType()

+setName()

+setStudentName()

+setStudentID()

+setEducationLvl()

+setStudentEmail()

-username : string

-password : string

-userType : string

-name : string

-studentName : string

-studentID : string

-educationLvl : string

-studentEmail : string

User

+AddProgramme()

#newProgramme : string

#programme1 : string

#studentEmail1 : string

Add Programme

+addStudent()

#newStudent : string

#studentName : string

#studentID : string

#educationLvl : string

#studentEmail : string

AddStudent

+AddUser()

#name

#userType

#username

#password

#newUser

AddUser

+approveEvent()

+notApproveEvent()

#Edata : string

+eventNameA

+eventTypeA

+eventDateA+VenueA

+eventFeeA

ApproveEvent

+generatePDF()

+generatePDF2()

+generatePDF3()

-endOfFile : bool

-s : string

-eventNameA : string

-input : string

-input1 : string

-vari : string

-rate : string

-rate1 : string

-rate2 : string

GenerateReport

+searchEvent()

+randomInt : int

+line : string

+eventNameA : string

GenerateEventBrochure

+searchEvent()

+updateEvent()

+deleteEvent()

+endOfFile : bool

+str : string

+a : string

+eventNameA : string

+eventTypeA : string

+eventDateA : string

+VenueA : string

+eventFeeA : string

+option : int

UpdateEvent

+addEvent()

+endOfFile : bool

+i : int

+c : char

-Edata : string

EventDetails

+login()

-access

-endOfFile

Login

+AddProgramme()

+ApproveEvent()+AddUser()

+GenerateReport()

AGL

+AddProgramme()

+ApproveEvent()

+AddStudent()

+AddUser()

+GenerateReport()

HOS

+ViewEvent()

Lecturer +eventDetail()

+SendInvitation()

+updateEvent()

+RegisterStudent()

+SetReminder()

PC

+ViewEvent()

+SelfRegister()

Student

-End3

1

-End4

*

-End3

1

-End4

*

-End3

1

-End4

*

-End3

1

-End4

*

-End3

1

-End4

*

-End31

-End4*

-End31

-End4*

-End3

1

-End4

*

-End3

1

-End4

*-End31 -End4*

-End3

1

-End4

*

-End11

-End2

*

-End1

1

-End2*

-End11

-End2*

-End1

1

-End2 *

-End1

1

-End2*

-End1

1

-End2*

Figure 1class diagram


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Activity Diagram

Login

Figure 2Login

Create New Programme

Figure 3 Create new programme


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Manage roles of staff

Figure 4 Manage roles of staff

Produce Report

Figure 5Produce Report


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Approve Event

Figure 6 Approve Event

SentInvitation

Figure 7Send Invitation


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Add Event

Figure 8Add event

Update Event

Figure 9Update event


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Delete Event

Figure 10Remove Event

Coordinate event schedule

Figure 11 Coordinate event schedule


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Register Student

Figure 12Register Student


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View event by schedule

Figure 13View event by schedule

Self-register

Figure 14Self Register


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Download brochure

Figure 15Download Event Brochure

Set Reminder

Figure 16Set Reminder

(felici, 2009) (ibm, 2000)


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Object Oriented Programming Concept

Class

Class is a blueprint that created by the programmer, which containing variable and methods.Variable is used to define data field while methods is used to defined behaviors of the system.

Figure 17 Class inherit Javax.swing.Jframe methods

In this class, it is use as a lecturer main

menu. It allows the lecturer to perform

his/her roles in the system.

Figure 18 Example of class named event

All the details of the event are saved in

this class. There are a lots get and set

function in this class, which are used tosave or retrieve the details of the event

to/from other class.

While developing this system, 2 types of access specifiers have been use in the classes. For

private data member, it is only accessible by the members of the same class. It makes the private

data more secure. For example, all the login username and password are private.

Figure 19 access specifiers

For the rest of the function and data are using public access specifiers. The reason of setting

public is provide flexibility to the programmer. You can call add, update, delete and search event

methods easily from anywhere.


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Object

Object has variables and methods. Object is an instance of a class. An object is created by using

the keywords of new. For example, every single event in the system is having different variable,

such as event type, event name, and date and event venue and has different methods such as add,

delete, update and search. (tutorialspoint, 2014)

Figure 20 Object call Constructor of event

In the code above, an object of event class which named as eventObj is created. Its passing

the event variable to the event class constructor, which will be processed and save into the

private data field.

Figure 21 Object used to call the class and display the GUI of the class

Heres another example of usage of object. An object of HOS class which named as a is

created. That object will be used to display the HOS (which is head of school main menu page)

form.


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Constructor

Constructor can be created using the same name of the class. It cannot have any return value and

it can have any numbers of parameters. Constructor is useful in developing this system. The

parameter of the constructor can be used to set the value of the private field, such as event or

login information. Moreover, memory will be allocated to constructor first when the execution of

the system. It provides lots benefits for me while developing this system. (java, 2014)

Figure 22Constructor

In the diagram above shows the process of reading the event information from txt file to the

combo box. If this portion of code is not put in the constructor, but put inside a methods call

readComboBox function, the combo box will remain empty until that method is called. (SINGH,

2010)


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Polymorphism

Polymorphism is capability of an object to do different kinds of things. There are 2 types of

polymorphism in java, which are method overloading and method overriding. Method ridding

happens when a base class and a child class having same method name. The child class method

will override the parent class method. Method overload happen when 2 or more same name

methods or constructor is used in the same class, provided that the parameters or argument list

are different. Polymorphism is used in this assignment.

Figure 23 Methods overloading

To use the polymorphism technique (method overloading) as shown as image above, you are

required to use an object to call this constructor. Moreover, it must use the same data types and

same numbers of arguments to determine which version of overloaded constructor I actually

called. (SINGH, 2010)


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Encapsulation

Encapsulation is the process of making the fields in a class to become private and providing the

access to the field using the public methods in the same class. The entire field that declared as

private is not accessible by anyone outside the class. Therefore, encapsulation can help on data

hiding and make the data more secured. Moreover, by implementing encapsulation, it provides

flexibility on changing the new requirement of a system. The programmer can edit the 1 part of

code, without affecting other part of code. (java, 2014)

Figure 24 Private Field

Figure 25 Private Field accessible by public method


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Inheritance

In inheritance, IS-A relationship between super class and sub class is defined. All the similar or

common functions or variable in put inside a super class. All the distinct or specialized function

or variable is put in the sub class.

The keyword of extends is used to inherit some functions or variable from the parent class. By

using inheritance, it helps code reusability.

Figure 26Inheritance

Figure 27Function from parent class

Figure 28 No inherit from parent class

In the diagram above, the login class is inherit the javax.swing.JFrame class. The child class is

inherit some methods of the parent class like getContentPane () and setDefaultCloseOperation.

(IBM, 2013) If the login class does not inherit from the javax.swing.JFrame class, the sub class

cannot use those methods shown above. Coding on both methods have to be typed again in the

sub class, which make the code redundant. Moreover, it allows the child class inherits methods

of the parent class to use the graphical user interface component like label, text field, frame, et

cetera while developing the system. (RajKumar Buyya, S Thamarai Selvi, Xingchen Chu, 2009)


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Interface

Interface is a group of abstract methods. A class can inherit 1 or more interfaces using the

keywords of implements. It will inherit the abstract methods of the interface. By using

interfaces, it allows several classes can share a standard set of methods and constants. Java does

not support multiple class inheritance. Interface can be used to solve this problem; a class cans

implement more than one interface at a time.

(oracle, 2014)

The diagram below showing the interface used while developing the system. In this system, we

are required to send event invitation and email to students. This is a standard set of methods

which might be used by several classes.

Figure 29 Interface


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Additional Features

Reading with binary file

Figure 30 Read from Event txt using binary methods

The code above shows the process of reading the binary file data from even txt file. The code

will read the file from the beginning until the end of the file. If the object of event is found, it

will read every single details of the event. The event name will be populated into the combo box

as shown in the image below.

Figure 31 Result of reading


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Writing with binary file

Figure 32 Array used to save the user information

Figure 33 write the array into the txt file

In order write data to a binary file, the keywords of FileOutPutStream have to be used. (User.txt)

represent the path of the file where the data to be saved and the (true) represent the file open option.

(Oracle, 2014)

Array will be used to save every single data of the user, which are user type, user name and password.

After that, writeUTF will encode the data as UTF-8 and write it into the file.

(tutorialspoint, 2014)


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Reading with txt file

Figure 34 Read with txt file

To read from a txt file, first you have to open the file. Moreover, a scanner is needed to read a

file. The scanner will capture the data from the text field and search it one by one in the txt file.If the event data is found in the txt file, all the event data will be saved into array.


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Writing with txt file

Figure 35Write to txt file

PrintWrite.print methods have been use to print the string to the approve event file. There are 4

text fields in the GUI, get methods is used to get the value of the data and pass it to the variable.

After that, the print writer will print the information of event into the file. Once the process iscompleted, the file have to be closed and a message box is appeared to notify user the event has

been approved. Exceptions handling also have been use in the code above. If the file does not

found, and there is no try catch coding in the class, the system will crash.

(tutorialspoint, 2014)


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Background

Figure 36 Login

I have put several backgrounds in the system interface. In order to put a background, I have to

use a label. The image above shows the result of putting image at the icon of the label.

Validation purpose

The code above is used in a text field which allows the user to enter numbers only. If user tries to

enter anything other than number, it will not show in the text field.


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Writing file to PDF

Figure 37Import for pdf

A jar named itext is needed to include in the project and the programmer should import the thing

shown above in order to write the content of text field into the pdf file.

Below shows the code needed to write things into a PDF file format. Firstly, a pdf file of certain

size is created. After that, the programmers are required to name the pdf file. Next, open the file

and write all the content in a places call paragraph. Once all the paragraph is added into the pdf

file, the process of writing is completed; the user is required to close the file.

Figure 38Code for generating PDF file


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Send Email with attachment

Figure 39 Java API Email Figure 40 Email SMTP protocol

In order to successfully send an email with words or attachments, the activation jar and mail jar are a must

to be included in the class path to make this process to be success. After that, you are now able to use the

java API by importing it in the top of the class. To send an email, simple mail transfer protocol (SMTP) is

needed. You are required to enable this protocol, set the host, set the port, enter sender email ID and

password and enter valid recipient email. (point, 2014)

Figure 41Email Bodypart

Figure 42Email Bodypart2


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After that, set the subject for the email and append all the information of the event into the email

BodyPart. Other than write email content in the body part, you also can attach files in the

BodyPart. MultiPart allows you put more than 1 part in 1 email. (Crank, 2014)


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Sample Output

Figure 43Login page

There are 5 types of users in the system, which are Head of School, Academic Group Leader,

Programme Coordinator, Lecturer, and the Students. The entire user will be directed to their

respective main menu if valid username and password is inserted in the login page.

Figure 44 Main menu

By clicking logout button in every page of the system, the user will be log off from the system and will be

directed back to login page.

Both of the users are having same roles in the system. In this page, it allows them to create a

new programme and manage the role of the staff by assigning the lecturer to become a

programme coordinator or an administrator. Moreover, all the event approval can be done on this

page also. In additional, the user can produce 3 kinds of reports in the system, which is event

summary report, event detail report and also event exception report.


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Figure 45 main menu of Programme Coordinator

The page above is the main menu of programme coordinator. It allowed the user to create event.

If there is any error in the information, the user can update it by clicking the mange event button.

If the event is created wrongly, the user can also remove the event data in that page. Moreover,

once the event is approved, the user can send invitation to filtered group of students and staffs.

This user can also register student to the event.

Figure 46 main menuOf Lecturer

In lecturer main menu, lecturer can read the details of the events and download the event

brochure to encourage more students on participating on the events of the school.


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Figure 47main menu of student

The student can register themselves into the event that organized by the school. Once they have

completed registration process, the system will send an email which attach with receipt to the

student. Moreover, the student can read deeper details of the event in their main menu.

Figure 48 Success add programme Figure 49 Add Programme

In this page, the HOS / AGL can add program for the system. If successfully add the programme

information into database, a message box will be pop up.


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Figure 50 Add student Figure 51 Add student result

In this page, the HOS and AGL can add student. The information will be useful while inviting student to

event based on the education level. Moreover, the email will be used to send invitation to the student.

Figure 52 Manage roles Figure53 Manage roles of user result

In this page, the Hos and AGL can assign the roles of staffs to become a HOS, AGL, lecturer or admin.


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Figure 54 Approve event

In this page, all events added by the programme coordinator will be approved or not approved by the

HOS and AGL.

Figure 55event details report


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Figure 56Event exception report

Figure 57Event summary report


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HOS and AGL can create 3 type of report. Once the user search the event, will be displayed to

the text field below. The users can then fill in the event extra details, reason of rejected and other

extra details of the event in the space provided.

Figure 58 Get event brochure Figure 59 result of get event brochure

In this page, lecturer can enter their preferable event and get the brochure by entering their email.

The event brochure will be generated and sent to the lecturer email so that the lecturer can use

that brochure to promote to his /her students.

Figure 60Register student

In this page, the programme coordinator can register student to the event. If an event fee is

required for the student to join the event, the programme coordinator will collect the fees from


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the student and click paid button once the student paid the event fees. After entering all the

required data, a receipt file in PDF format and txt format will be send to the student. If there is

any error in the information, the students can edit the receipt information and send back for the

programme coordinator for editing purpose.

Figure 61 self-register

In this page, student can register themselves to the event on their own.

Figure 62 Send invitation Figure 63 Send invitation result

In this page, programme coordinator can select group of person they wanted to select, after that,

select the person of that group they the user want to send invitation to. Once send button is

clicked, the email invitation is send to the person via email.


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Figure 64 update event

In this page, the user can manage the event details, such as update or delete the event.

Figure 65 Reade details of event by schedule Figure 66 Next event

In this page, it will show all the events which are coming soon. All events that happening now

and before will not displayed. Next button can be clicked and the event details of next event will

be displayed.


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Figure 67 Add event details Figure 68 Success Add event

In this page, the programme coordinator can add new event for the event management system.


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Assumption Made

1. Assume that the process of adding user and login information (username and password)

as the process of assigning staffs to become administrator or programme coordinator.

2.

Assume that communication with scheduler is not done in the system. The programme

coordinator is informed by the scheduler about the venue availability based on email,

face-to-face communication.

3. All the attendance of the participants, feedback and rating towards the event that has over

is collected in paper form. This data is then being referred by the Head of school or

academic group leader while generating the report.

4. Event invitation is send to filtered group of students and staffs. I assume that the user is

required to select education group and display the participants of that group. Only 1

invitation can be sent at once to prevent error while sending information and prevent

spamming to all email. I assume some students are not invited or blacklisted on attending

the event.

5. Only events that are coming up soon are displayed in viewEvent page. Reminder of event

can be displayed in viewEvent page also. User can view what event is happening soon on

which date.


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Conclusion

To implement this event management system with object oriented concept in java is quite hard

because lots functionality is required in this system. Use case diagram, class diagram and activity

diagram is used in providing the overview of this system. By doing this assignment, I have

deeper knowledge of how java work. I have learnt how to create graphical user interface for a

system, I success to send email via the system I developed and print all the information of my

event into txt or event pdf file. Moreover, I have known how importance is the object oriented

concept in system development. For example, inheritance helps on code reuse, polymorphism

protect the data from being access by others, et cetera.


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