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PROJECT REPORT
ON

CONSOLE BASED BILLING SYSTEM

SUMMER TRAINING WORK
Submitted in Partial Fulfilment of the Requirements for the award of the degree of
B.Tech (V SEM)
Bachelor’s Degree of Electronics and Communication Engineering
(2011-2015)
By
ALOK SHARMA

(00414802811)

DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING,
MAHARAJA AGRASEN INSTITUTE OF TECHNOLOGY,
SECTOR-22, ROHINI,
NEW DELHI -110086

DETAILS
1. PROJECT DETAILS
PROJECT TITLE: CONSOLE BASED BILLING SYSTEM (JAVA)
SUBMITTED BY: Alok Sharma
DATE OF SUBBMISSION: 17 July,2013
GUIDE: Mr. Ritujya Chauhan
Name & Address of the institute:

[HPES Nodal Centre, Agra]
Hewlett-Packard India Sales Pvt. Ltd.
Building No: 02, DLF CYBERGREEN
1st to 5th Floors, Tower D & E
DLF Cyber City, Phase III
Gurgaon - 122 002
Haryana, India

2. STUDENT DETAILS

Name – Alok Sharma
Enrollment no. – 00414802811
Semester – V
Department - ECE
TABLE OF CONTENT
1. Project Letter
2. Certificate
3. Acknowledgement
4. Undertaking
5. About HPES
6. Introduction
7. Objective
8. Project category
9. Types of Reports
10. Technologies and tools
11. Hardware
12. Future scope
13. Analysis of Present System
14. Problem of Existing System
15. Characteristic of Proposed System
16. Feasibility Analysis
a. Need for Feasibility Study
b. Technical Feasibility
c. Behavioural Feasibility
d. Economic Feasibility
e. Product Perspective
17. Data flow diagram
18. Entity Relation Diagram
19. Flow chart
20. Input Code
21. Output Screenshots
22. Conclusion
23. Bibliography
ACKNOWLEDGEMENT

I express my sincere gratitude and thanks to Mr. Ritujya Chauhan (Java faculty) for
providing me the excellent opportunity to do a project on Console Based Billing System
and providing me with all the essential elements required for the completion and
enhancement of this project.
I would like to thank those respondents who have taken pain in successful completion
of my project work.
UNDERTAKING
My work titled Console Based Reservation System in this project report as part of
the Summer Internship (June – July, 2013) under the guidance of Mr. Ritujya
Chauhan.
If my work has been inspired by anyone else’s work then all such work(s) has been
appropriately referred by me and due acknowledgements have been made.
Any academic misconduct and dishonesty found in regard to above or otherwise shall
be solely and entirely my responsibility and my faculty advisor shall not be
responsible. In such a situation, I understand that a strict disciplinary action can be
undertaken against me by the concerned authorities.

Name: Alok Sharma
Date:15 July, 2013
Signature:
ABOUT HPES
•

HP Education Services is the most reputed name in High End Technical
Education. HP mentors, guides and encourages you to strive for excellence.

•

HP is the largest IT solutions company worldwide.

•

HP is the largest Unix training company worldwide.

•

HP has been in the education business for over 30 years.

•

Present in more than 400 HP education centers and partner locations.

•

They have trained professionals of the top most companies of the world.

•

They do induction batches training for many companies.

•

HP provides Technical Training for fresher and experienced candidates as per
their need.

•

Soft skills training is also provided by HP.

•

HP has various customized programs to suit the requirements.
INTRODUCTION
The project “Billing system” is an application to automate the process of ordering
and billing of a “Departmental store”. This web based application is designed
considering the chain of departmental store which is located in various cities. This
application also administrates its users and customers.
OBJECTIVE
This project will serve the following objectives:• Add and maintain records of available products.
• Add and maintain customer details.
• Add and maintain description of new products.
• Add and maintain new entered category of products.
• Provides economic/financial reports to the owner monthly or weekly and
yearly.
• Provides a convenient solution of billing pattern.
• Make an easy to use environment for users and customers.
PROJECT CATEGORY

CORE JAVA:
The project is based on the concepts of Core JAVA.
TYPES OF REPORTS
The following are the type of reports that can be generated using
the designed system.
1. Daily Sales Report
2. Monthly Customer Report
3. Daily Product Report
4. Due Date Report (Report of a particular Day)
5. Billing Report
TECHNOLOGIES AND TOOLS
Software Used:
1. Web browser: Google Chrome
2. Languages Used: Core JAVA
3. Eclipse and Notepad++ (for compiling and executing the programs)

Hardware Used:
CPU configuration
- AMD processors 4000+ series
- RAM 1 GB DDR2
Monitor
- Any monitor

Operating System:
- Windows XP
- Windows 7
- Windows 8
Or any other version
FUTURE SCOPE
1. This project will help the store keeper in fast billing.
2. This project enable store keeper to maintain a great database of all
Customers visited and purchase product from store.
3. Project will enable to see report regarding product and category.
4. It is easy to maintain in future prospect.
ANALYSIS OF PRESENT SYSTEM
Before we begin a new system it is important to study the system that will be
improved or replaced (if there is one). We need to analyse how this system uses
hardware, software, network and the people resources to convert data resources, such
as transaction data, into information products, such as reports and displays. Thus we
should document how the information system activities of input, processing, output,
storage and control are accomplished.
PROBLEM OF EXISTING SYSTEM
1. Inability of modification of data: The managing of huge data
Effectively and efficiently for efficient results, storing the details of the
Consumers etc. in such a way that the database can be modified as not
Possible in the current system.
2. Not user friendly: The existing system is not user friendly because
The retrieval and storing of data is slow and data is not maintained
Efficiently.
3. Difficulty in reports generating: Either no reports generating in a
Current system or they are generated with great difficulty reports take
Time to generate in the current system.
4. Manual operator control: Manual operator control is there and leads
to a lot of chaos and errors.
5. Lot of paperwork: Existing system requires lot of paper work and
Even a small transaction require many papers fill. Moreover any
Unnatural cause (such as fire in the organization) can destroy all data of
the organization. Loss of even a single paper led to difficult situation
Because all the papers are interrelated.
6. Inability of sharing the data: Data cannot be shared in the existing
system. This means that no two persons can use the same data in
existing system. Also the two departments in an organization cannot
interact with each other without the actual movement of data.
7. No support in decision-making: Existing system does not support
managerial decision-making.
8. No support in strategic competitive advantage: Existing system do
not support strategic competitive advantages.

CHARACTERSTIC OF THE PROPOSED
SYSTEM
1. Easiness in modification of data.
2. User friendly: The proposed system is user friendly.
3. Reports are easily generated: Reports can be easily generated in a
proposed system. So any type of reports can be generated in a proposed
system, which helps the managers in a decisions-making activity.
4. No or very few paperwork: The proposed system either does not
require paper work or very few paper works is required. All the data is
Feted into the computer immediately and various bills and reports can be
Generated through computers.
5. Support strategic competitive advantage: Proposed system supports
strategic competitive advantages. Since the proposed systems provide
easiness in reports generating it will provide strategic advantages among
competitors.
6. Computer operator control: Computer operator control will be there
no errors. Moreover storing and retrieving of information is easy. So
work can be done speedily and in time.
FEASIBILITY ANALYSIS
Title:
Feasibility report for the computerization of the various activities of
the company.

Background:
The Company facing the problem of inconsistent and out of
time information in its activities. Very much time is consuming for report
generation, which is not very helpful for decision making. So we want a
system, which provide immediate information.

Method of study:
The analysis procedure comprised of field trips in the
various departments of the company. The following documents and sources
were looked up:
· The purchase order that contain items to be purchased.
· The accounts register.
· Purchase order issues to vendors.
· Bills receive from vendors. · Bills give to the customers.
· Purchase return forms (if any) give to vendors.

Need For Feasibility Study:
The feasibility study is carried out to test whether the proposed system is
worth being implemented. Feasibility study is a test of system proposed
regarding its work ability, its impact on the organization ability to meet user
needs and effective use of resources. It is usually carried out by a small
number of people who are familiar with the information system techniques,
understand the part of the business or organization that will be involved or
effected by the project and are skilled in the system analysis and design
process.

The key consideration involve in the feasibility study are:
1. Technical
2. Behavioural
3. Economic

1. Technical Feasibility
Technical feasibility centres on the existing computer system ( hardware,
Software etc) and to what extent it can support the proposed system
Addition. For example, if the current system is operating at 70% capacity (an
Arbitrary value), then another application could overload the system or
require additional hardware. If the budget is serious constrain then the
project is judged not feasible.
The technologies ant the environment which are used in this project are
SOFTWARE
Front End
1. Language used: Core JAVA.
Operating System:
Platform:
Windows XP . Our system requires window operating
system, which is easily available.
Hardware:
Intel based processor-run computer system, which have keyboard and
mouse as input devices. This has been decided for its case of
availability and up-gradation.
The various registers maintained at the different department have
enough information recording, which will help in digitizing the
available data.

2. Behavioural Feasibility:
An evaluation of the behaviour of the end users, which may effect the
Envelopment of the system. People are inherently resistant to change and
Computers have to know to facilitate changes and computers have to known
To facilitate changes. An estimate should be made of how strong a reaction
The user staffs is likely to have towards the development of a computerized
System. It is a common knowledge that a computer installation has something to do
with turnover, transfer, retraining and changes in employee
job status, therefore the introduction of a candidate system requires special
effort to educate, sell and train the staff on new ways of conducting business.
The personal of the user organization will be affected by the proposed
system. As the aim of the system is only to satisfy the information needs, no
employees will loose their position by the proposed system. In fact the
proposed system will help the organization in reducing the voluminous work
involved. Also the involvement of users in every stage of the project is going
to increase the success factor.
The staff in not well educated for running a computerized system. They are
adamant in perceiving a mechanical process of working as they have long
been used to the manual entry system. This aspect needs considerable
amount of attention.
Our system is also feasible for organization because it supports of the
organization and its strategic plan.

3. Economic Feasibility:
The procedure is to determine the benefits and savings that are expected
from a candidate system and compare it with the costs. If a benefit outweighs
costs, then the decision is made to design and implement the system.
Otherwise further alterations are made in the proposed system
1. Manpower cost
2. Hardware and software cost.
DATA FLOW DIAGRAM
A data flow diagram is graphical representation that depicts the information flow and
the transforms that r applied as date moves from input to output. It can be used to
represent a software at any level of abstraction. In fact DFDs may be partitioned in to
levels. That represents increasing information flow and functional details.
DFDs are defined in levels with every level decreasing the level of abstraction as well
as defining a greater detail of the functional organs of the system. A zero level DFD
also known as context or fundamental system model represents the entire software
elements as a single bubble with input and output data entities which are indicated as
incoming and outgoing arrows. Data Flow Diagram help understanding the basic flow
of data from one process to another process.
ENTITY RELATION DIAGRAM
Entity Relation Diagram represents the object relationship pairs in graphical forms
thus we can say that the primary goal of ER diagrams is represent data objects along
with their relationships.
ER model for data uses three features to describe data:
· Entities which satisfy distinct real world items in an application
· Relationships connecting different entities and representing meaningful
dependencies between them
· Attributes which specify various properties of entities and relations involved in
a system.
FLOW CHART
Flow chart is a graphical representation using symbol to show the step by step
sequence of operation, activities or procedures used in computer system analysis,
Activity analysis and in program sequence representation. It presents the simple flow
project.
PROGRAMME CODE
1. Class DisplayList
import java.io.*;
public class DisplayList
{ public static void main(String args[])
{
display();
}
public static void display()
{
int i;
ListOfItems l=null;
try
{
FileInputStream fin=new FileInputStream("List Of Items.txt");
ObjectInputStream in= new ObjectInputStream(fin);
l=(ListOfItems)in.readObject();
in.close();
fin.close();
}
catch(IOException e)
{
System.out.println(e);
}
catch(ClassNotFoundException a)
{
System.out.println(a);
return;
}
//System.out.println("Welcome to Harshita's Grocery Store");
System.out.println("Here's the List of Items, plz go through the list to select items that
you want to shop for,Thank You");
for(i=0;i<20;i++)
{
System.out.println("Item:- "+l.item[i]+"ttID: "+l.ID[i]+"tPrice: "+l.price[i]);
}
System.out.println("Enjoy Shopping :D");
}
}

2. Class ListOfItems
public class ListOfItems implements java.io.Serializable
{
public String[] item=new String[20];
public int[] ID= new int[20];
public int[] price=new int[20];
}

3. Class ShoppersStop
import java.io.*;
import java.util.*;
public class ShoppersStop
{
public static void main(String args[])
{
String ch;
String address;
int itemid;
int bill=0;
int i;
int flag=1;
int quant;
String id;
Scanner sc=new Scanner(System.in);
ListOfItems l=null;
try
{
FileInputStream fin=new FileInputStream("List Of Items.txt");
ObjectInputStream in= new ObjectInputStream(fin);
l=(ListOfItems)in.readObject();
in.close();
fin.close();
}
catch(IOException k)
{
System.out.println(k);
}
catch(ClassNotFoundException a)
{
System.out.println(a);
return;
}
System.out.println("Welcome dear Customer to AKS Grocery Store");
System.out.println("Are you a first time user?? n Kindly Press 'Y' for Yes and 'N' for
No");
ch=sc.next();
switch(ch)
{
case "Y":
System.out.println("Enter your user id");
id=sc.next();
System.out.println("Thank You for registering with us");
break;
case "N":
System.out.println(" You are already a registered user.");
System.out.println("Plzz enter your id for log-in");
id=sc.next();
System.out.println("Log In successful");
break;
default:
System.out.println("plz run the program again...cuz the value you enterd is neither Y
nor N");
}
System.out.println("Prsenting to you the items we have for sale in our grocery store");
DisplayList ob2=new DisplayList();
ob2.display();
System.out.println("For selecting the items, plz enter their user id and quantity");
System.out.print("Shopping Cart items...");
bill=0;
while(flag!=0)
{
System.out.println("Enter id");
itemid=sc.nextInt();
System.out.println("Enter Quantity");
quant=sc.nextInt();
for(i=0;i<20;i++)
{
int m=l.ID[i];
if(itemid==m)
bill=bill+quant*(l.price[i]);
}
System.out.println("Do you want to add more items?? Enter 1 for Yes and 0 for no");
flag=sc.nextInt();
if (flag==0)
break;
}
System.out.println();
System.out.println("Thank you for shopping with us");
System.out.println("Your total bill is="+bill);
System.out.println("The mode of payment is Cash on Delivery");
System.out.println("Plz enter shipping address=");
address=sc.next();
System.out.println("Thank you, your order will be shipped to you in 3-4 days, kindly
keep ready Rs"+bill+" for payment");
}
}

4. Class StoringList
import java.util.Scanner;
import java.io.*;
public class StoringList
{
public static void main(String args[])
{
Scanner sc=new Scanner(System.in);
ListOfItems l=new ListOfItems();
int i;
System.out.println("Enetr the list of items, their ID and price that you want to display
in your Grocery Store");
for(i=0;i<20;i++)
{
System.out.println("Item Name");
l.item[i]=sc.next();
System.out.println("ID");
l.ID[i]=sc.nextInt();
System.out.println("Price");
l.price[i]=sc.nextInt();
System.out.println();
}
try
{
FileOutputStream fw=new FileOutputStream("List of Items.txt");
ObjectOutputStream out=new ObjectOutputStream(fw);
out.writeObject(l);
out.close();
fw.close();
}
catch(IOException e)
{
System.out.println(e);
}
}
}

OUTPUT SCREENSHOTS
CONCLUSION
This was my project of System Design about “Billing System”.
Development of this System takes a lot of efforts. I think this system gave a lot of
satisfaction. Though every task is never said to be perfect in this development field
even more improvement may be possible in this system.
I learnt so many things and gained a lot of knowledge about development field.
I hope this will prove fruitful.

BIBLIOGRAPHY
BOOKS REFERRED
•

The Complete Reference Java 2 by Herbert Schildt

•

Programming With java (E. Balaguruswamy)

WEBSITES REFERRED
1) www.google.com

2) http://java.sun.com/docs/books/tutorial/uiswing/

3) www.stardeveloper.com

4) www.youtube.com

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Synopsis on billing system

  • 1. PROJECT REPORT ON CONSOLE BASED BILLING SYSTEM SUMMER TRAINING WORK Submitted in Partial Fulfilment of the Requirements for the award of the degree of B.Tech (V SEM) Bachelor’s Degree of Electronics and Communication Engineering (2011-2015) By ALOK SHARMA (00414802811) DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING, MAHARAJA AGRASEN INSTITUTE OF TECHNOLOGY, SECTOR-22, ROHINI,
  • 2. NEW DELHI -110086 DETAILS 1. PROJECT DETAILS PROJECT TITLE: CONSOLE BASED BILLING SYSTEM (JAVA) SUBMITTED BY: Alok Sharma DATE OF SUBBMISSION: 17 July,2013 GUIDE: Mr. Ritujya Chauhan Name & Address of the institute: [HPES Nodal Centre, Agra] Hewlett-Packard India Sales Pvt. Ltd. Building No: 02, DLF CYBERGREEN 1st to 5th Floors, Tower D & E DLF Cyber City, Phase III Gurgaon - 122 002 Haryana, India 2. STUDENT DETAILS Name – Alok Sharma Enrollment no. – 00414802811 Semester – V Department - ECE
  • 3. TABLE OF CONTENT 1. Project Letter 2. Certificate 3. Acknowledgement 4. Undertaking 5. About HPES 6. Introduction 7. Objective 8. Project category 9. Types of Reports 10. Technologies and tools 11. Hardware 12. Future scope 13. Analysis of Present System 14. Problem of Existing System 15. Characteristic of Proposed System 16. Feasibility Analysis a. Need for Feasibility Study b. Technical Feasibility c. Behavioural Feasibility d. Economic Feasibility e. Product Perspective 17. Data flow diagram 18. Entity Relation Diagram 19. Flow chart 20. Input Code 21. Output Screenshots 22. Conclusion 23. Bibliography
  • 4. ACKNOWLEDGEMENT I express my sincere gratitude and thanks to Mr. Ritujya Chauhan (Java faculty) for providing me the excellent opportunity to do a project on Console Based Billing System and providing me with all the essential elements required for the completion and enhancement of this project. I would like to thank those respondents who have taken pain in successful completion of my project work.
  • 5. UNDERTAKING My work titled Console Based Reservation System in this project report as part of the Summer Internship (June – July, 2013) under the guidance of Mr. Ritujya Chauhan. If my work has been inspired by anyone else’s work then all such work(s) has been appropriately referred by me and due acknowledgements have been made. Any academic misconduct and dishonesty found in regard to above or otherwise shall be solely and entirely my responsibility and my faculty advisor shall not be responsible. In such a situation, I understand that a strict disciplinary action can be undertaken against me by the concerned authorities. Name: Alok Sharma Date:15 July, 2013 Signature:
  • 6. ABOUT HPES • HP Education Services is the most reputed name in High End Technical Education. HP mentors, guides and encourages you to strive for excellence. • HP is the largest IT solutions company worldwide. • HP is the largest Unix training company worldwide. • HP has been in the education business for over 30 years. • Present in more than 400 HP education centers and partner locations. • They have trained professionals of the top most companies of the world. • They do induction batches training for many companies. • HP provides Technical Training for fresher and experienced candidates as per their need. • Soft skills training is also provided by HP. • HP has various customized programs to suit the requirements.
  • 7. INTRODUCTION The project “Billing system” is an application to automate the process of ordering and billing of a “Departmental store”. This web based application is designed considering the chain of departmental store which is located in various cities. This application also administrates its users and customers.
  • 8. OBJECTIVE This project will serve the following objectives:• Add and maintain records of available products. • Add and maintain customer details. • Add and maintain description of new products. • Add and maintain new entered category of products. • Provides economic/financial reports to the owner monthly or weekly and yearly. • Provides a convenient solution of billing pattern. • Make an easy to use environment for users and customers.
  • 9. PROJECT CATEGORY CORE JAVA: The project is based on the concepts of Core JAVA.
  • 10. TYPES OF REPORTS The following are the type of reports that can be generated using the designed system. 1. Daily Sales Report 2. Monthly Customer Report 3. Daily Product Report 4. Due Date Report (Report of a particular Day) 5. Billing Report
  • 11. TECHNOLOGIES AND TOOLS Software Used: 1. Web browser: Google Chrome 2. Languages Used: Core JAVA 3. Eclipse and Notepad++ (for compiling and executing the programs) Hardware Used: CPU configuration - AMD processors 4000+ series - RAM 1 GB DDR2 Monitor - Any monitor Operating System: - Windows XP - Windows 7 - Windows 8 Or any other version
  • 12. FUTURE SCOPE 1. This project will help the store keeper in fast billing. 2. This project enable store keeper to maintain a great database of all Customers visited and purchase product from store. 3. Project will enable to see report regarding product and category. 4. It is easy to maintain in future prospect.
  • 13. ANALYSIS OF PRESENT SYSTEM Before we begin a new system it is important to study the system that will be improved or replaced (if there is one). We need to analyse how this system uses hardware, software, network and the people resources to convert data resources, such as transaction data, into information products, such as reports and displays. Thus we should document how the information system activities of input, processing, output, storage and control are accomplished.
  • 14. PROBLEM OF EXISTING SYSTEM 1. Inability of modification of data: The managing of huge data Effectively and efficiently for efficient results, storing the details of the Consumers etc. in such a way that the database can be modified as not Possible in the current system. 2. Not user friendly: The existing system is not user friendly because The retrieval and storing of data is slow and data is not maintained Efficiently. 3. Difficulty in reports generating: Either no reports generating in a Current system or they are generated with great difficulty reports take Time to generate in the current system. 4. Manual operator control: Manual operator control is there and leads to a lot of chaos and errors. 5. Lot of paperwork: Existing system requires lot of paper work and Even a small transaction require many papers fill. Moreover any Unnatural cause (such as fire in the organization) can destroy all data of the organization. Loss of even a single paper led to difficult situation Because all the papers are interrelated. 6. Inability of sharing the data: Data cannot be shared in the existing system. This means that no two persons can use the same data in existing system. Also the two departments in an organization cannot interact with each other without the actual movement of data. 7. No support in decision-making: Existing system does not support managerial decision-making. 8. No support in strategic competitive advantage: Existing system do
  • 15. not support strategic competitive advantages. CHARACTERSTIC OF THE PROPOSED SYSTEM 1. Easiness in modification of data. 2. User friendly: The proposed system is user friendly. 3. Reports are easily generated: Reports can be easily generated in a proposed system. So any type of reports can be generated in a proposed system, which helps the managers in a decisions-making activity. 4. No or very few paperwork: The proposed system either does not require paper work or very few paper works is required. All the data is Feted into the computer immediately and various bills and reports can be Generated through computers. 5. Support strategic competitive advantage: Proposed system supports strategic competitive advantages. Since the proposed systems provide easiness in reports generating it will provide strategic advantages among competitors. 6. Computer operator control: Computer operator control will be there no errors. Moreover storing and retrieving of information is easy. So work can be done speedily and in time.
  • 16. FEASIBILITY ANALYSIS Title: Feasibility report for the computerization of the various activities of the company. Background: The Company facing the problem of inconsistent and out of time information in its activities. Very much time is consuming for report generation, which is not very helpful for decision making. So we want a system, which provide immediate information. Method of study: The analysis procedure comprised of field trips in the various departments of the company. The following documents and sources were looked up: · The purchase order that contain items to be purchased. · The accounts register. · Purchase order issues to vendors. · Bills receive from vendors. · Bills give to the customers. · Purchase return forms (if any) give to vendors. Need For Feasibility Study: The feasibility study is carried out to test whether the proposed system is worth being implemented. Feasibility study is a test of system proposed regarding its work ability, its impact on the organization ability to meet user
  • 17. needs and effective use of resources. It is usually carried out by a small number of people who are familiar with the information system techniques, understand the part of the business or organization that will be involved or effected by the project and are skilled in the system analysis and design process. The key consideration involve in the feasibility study are: 1. Technical 2. Behavioural 3. Economic 1. Technical Feasibility Technical feasibility centres on the existing computer system ( hardware, Software etc) and to what extent it can support the proposed system Addition. For example, if the current system is operating at 70% capacity (an Arbitrary value), then another application could overload the system or require additional hardware. If the budget is serious constrain then the project is judged not feasible. The technologies ant the environment which are used in this project are SOFTWARE Front End 1. Language used: Core JAVA. Operating System: Platform: Windows XP . Our system requires window operating system, which is easily available. Hardware: Intel based processor-run computer system, which have keyboard and mouse as input devices. This has been decided for its case of availability and up-gradation. The various registers maintained at the different department have
  • 18. enough information recording, which will help in digitizing the available data. 2. Behavioural Feasibility: An evaluation of the behaviour of the end users, which may effect the Envelopment of the system. People are inherently resistant to change and Computers have to know to facilitate changes and computers have to known To facilitate changes. An estimate should be made of how strong a reaction The user staffs is likely to have towards the development of a computerized System. It is a common knowledge that a computer installation has something to do with turnover, transfer, retraining and changes in employee job status, therefore the introduction of a candidate system requires special effort to educate, sell and train the staff on new ways of conducting business. The personal of the user organization will be affected by the proposed system. As the aim of the system is only to satisfy the information needs, no employees will loose their position by the proposed system. In fact the proposed system will help the organization in reducing the voluminous work involved. Also the involvement of users in every stage of the project is going to increase the success factor. The staff in not well educated for running a computerized system. They are adamant in perceiving a mechanical process of working as they have long been used to the manual entry system. This aspect needs considerable amount of attention. Our system is also feasible for organization because it supports of the organization and its strategic plan. 3. Economic Feasibility: The procedure is to determine the benefits and savings that are expected from a candidate system and compare it with the costs. If a benefit outweighs costs, then the decision is made to design and implement the system. Otherwise further alterations are made in the proposed system 1. Manpower cost 2. Hardware and software cost.
  • 19. DATA FLOW DIAGRAM A data flow diagram is graphical representation that depicts the information flow and the transforms that r applied as date moves from input to output. It can be used to represent a software at any level of abstraction. In fact DFDs may be partitioned in to levels. That represents increasing information flow and functional details. DFDs are defined in levels with every level decreasing the level of abstraction as well as defining a greater detail of the functional organs of the system. A zero level DFD also known as context or fundamental system model represents the entire software elements as a single bubble with input and output data entities which are indicated as incoming and outgoing arrows. Data Flow Diagram help understanding the basic flow of data from one process to another process.
  • 20. ENTITY RELATION DIAGRAM Entity Relation Diagram represents the object relationship pairs in graphical forms thus we can say that the primary goal of ER diagrams is represent data objects along with their relationships. ER model for data uses three features to describe data: · Entities which satisfy distinct real world items in an application · Relationships connecting different entities and representing meaningful dependencies between them · Attributes which specify various properties of entities and relations involved in a system.
  • 21. FLOW CHART Flow chart is a graphical representation using symbol to show the step by step sequence of operation, activities or procedures used in computer system analysis, Activity analysis and in program sequence representation. It presents the simple flow project.
  • 22. PROGRAMME CODE 1. Class DisplayList import java.io.*; public class DisplayList { public static void main(String args[])
  • 23. { display(); } public static void display() { int i; ListOfItems l=null; try { FileInputStream fin=new FileInputStream("List Of Items.txt"); ObjectInputStream in= new ObjectInputStream(fin); l=(ListOfItems)in.readObject(); in.close(); fin.close(); } catch(IOException e) { System.out.println(e); } catch(ClassNotFoundException a) { System.out.println(a); return; } //System.out.println("Welcome to Harshita's Grocery Store"); System.out.println("Here's the List of Items, plz go through the list to select items that you want to shop for,Thank You"); for(i=0;i<20;i++) { System.out.println("Item:- "+l.item[i]+"ttID: "+l.ID[i]+"tPrice: "+l.price[i]); } System.out.println("Enjoy Shopping :D"); } } 2. Class ListOfItems public class ListOfItems implements java.io.Serializable { public String[] item=new String[20];
  • 24. public int[] ID= new int[20]; public int[] price=new int[20]; } 3. Class ShoppersStop import java.io.*; import java.util.*; public class ShoppersStop { public static void main(String args[]) { String ch; String address; int itemid; int bill=0; int i; int flag=1; int quant; String id; Scanner sc=new Scanner(System.in); ListOfItems l=null; try { FileInputStream fin=new FileInputStream("List Of Items.txt"); ObjectInputStream in= new ObjectInputStream(fin); l=(ListOfItems)in.readObject(); in.close(); fin.close(); } catch(IOException k) { System.out.println(k); } catch(ClassNotFoundException a) { System.out.println(a); return; } System.out.println("Welcome dear Customer to AKS Grocery Store");
  • 25. System.out.println("Are you a first time user?? n Kindly Press 'Y' for Yes and 'N' for No"); ch=sc.next(); switch(ch) { case "Y": System.out.println("Enter your user id"); id=sc.next(); System.out.println("Thank You for registering with us"); break; case "N": System.out.println(" You are already a registered user."); System.out.println("Plzz enter your id for log-in"); id=sc.next(); System.out.println("Log In successful"); break; default: System.out.println("plz run the program again...cuz the value you enterd is neither Y nor N"); } System.out.println("Prsenting to you the items we have for sale in our grocery store"); DisplayList ob2=new DisplayList(); ob2.display(); System.out.println("For selecting the items, plz enter their user id and quantity"); System.out.print("Shopping Cart items..."); bill=0; while(flag!=0) { System.out.println("Enter id"); itemid=sc.nextInt(); System.out.println("Enter Quantity"); quant=sc.nextInt(); for(i=0;i<20;i++) { int m=l.ID[i]; if(itemid==m) bill=bill+quant*(l.price[i]);
  • 26. } System.out.println("Do you want to add more items?? Enter 1 for Yes and 0 for no"); flag=sc.nextInt(); if (flag==0) break; } System.out.println(); System.out.println("Thank you for shopping with us"); System.out.println("Your total bill is="+bill); System.out.println("The mode of payment is Cash on Delivery"); System.out.println("Plz enter shipping address="); address=sc.next(); System.out.println("Thank you, your order will be shipped to you in 3-4 days, kindly keep ready Rs"+bill+" for payment"); } } 4. Class StoringList import java.util.Scanner; import java.io.*; public class StoringList { public static void main(String args[]) { Scanner sc=new Scanner(System.in); ListOfItems l=new ListOfItems(); int i; System.out.println("Enetr the list of items, their ID and price that you want to display in your Grocery Store"); for(i=0;i<20;i++) { System.out.println("Item Name"); l.item[i]=sc.next(); System.out.println("ID"); l.ID[i]=sc.nextInt(); System.out.println("Price"); l.price[i]=sc.nextInt(); System.out.println();
  • 27. } try { FileOutputStream fw=new FileOutputStream("List of Items.txt"); ObjectOutputStream out=new ObjectOutputStream(fw); out.writeObject(l); out.close(); fw.close(); } catch(IOException e) { System.out.println(e); } } } OUTPUT SCREENSHOTS
  • 28. CONCLUSION This was my project of System Design about “Billing System”.
  • 29. Development of this System takes a lot of efforts. I think this system gave a lot of satisfaction. Though every task is never said to be perfect in this development field even more improvement may be possible in this system. I learnt so many things and gained a lot of knowledge about development field. I hope this will prove fruitful. BIBLIOGRAPHY
  • 30. BOOKS REFERRED • The Complete Reference Java 2 by Herbert Schildt • Programming With java (E. Balaguruswamy) WEBSITES REFERRED 1) www.google.com 2) http://java.sun.com/docs/books/tutorial/uiswing/ 3) www.stardeveloper.com 4) www.youtube.com