AN INVESTIGATORY PROJECT OF CLASS 12th CBSE TOPIC: BANK MANAGEMENT SYSTEM ALL OUTPUTS ARE CORRECT..... HOPE YOU WOULD LIKE IT..

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Submitted by
Class: XII A
Under the guidance of
PGT(Computer science)
DEPARTMENT OF COMPUTER
SCIENCE
Kendriya vidyalaya INS Dronacharya
Kochi

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I would like to sincerely and profusely thank my
computer science teacher Mr. PGT(Computer
science) for his able guidance and vital support in
completing my project.
I would also like to extend my gratitude to our lab
assistant for providing me with all facility that was
required.

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– for file handling, cin and
cout
– for clrscr() and getch()
functions
– for standard I/O operations
– for string handling
– for character classification
functions
–for parametric manipulation

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This program consist of five options as follows:
To add a new account
To deposit amount
To withdraw amount
To enquire the balance amount
To view all account holder list
To close an account
To modify an account
To exit

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#include<fstream.h>
#include<ctype.h>
#include<iomanip.h>
#include<conio.h>
#include<stdio.h>
#include<string.h>
class account
{
int acno;
char name[50];
int deposit;
char type;
public:
void create_account();
void show_account();
void modify();
void dep(int);
void draw(int);
void report();
int retacno();
int retdeposit();
char rettype();
};

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void account::create_account()
{
cout<<"nEnter The account No. :";
cin>>acno;
cout<<"nnEnter The Name of The account Holder : ";
gets(name);
cout<<"nEnter Type of The account
(C/S) : ";
cin>>type; type=toupper(type);
cout<<"nEnter The Initial amount(>=500 for Saving and
>=1000 for current ) : ";
cin>>deposit;
cout<<"nnnAccount Created..";
}
void account::show_account()
{
cout<<"nAccount No. : "<<acno;
cout<<"nAccount Holder Name : ";
cout<<name;
cout<<"nType of Account : "<<type;
cout<<"nBalance amount : "<<deposit;
}
void account::modify()
{
cout<<"nThe account No."<<acno;
cout<<"nnEnter The Name of The account Holder : ";
gets(name);
cout<<"nEnter Type of The account (C/S) : ";
cin>>type; type=toupper(type);
cout<<"nEnter The amount : ";
cin>>deposit;

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}
void account::dep(int x)
{
deposit+=x;
}
void account::draw(int x){deposit-=x;}
void account::report()
{
cout<<acno<<setw(10)<<" "<<name<<setw(10)<<"
"<<type<<setw(6)<<deposit<<endl;
}
int account::retacno(){ return acno; }
int account::retdeposit(){ return deposit; }
char account::rettype()
{
return type;
}
void write_account();
void display_sp(int);
void modify_account(int);
void delete_account(int);
void display_all();
void deposit_withdraw(int, int);
void intro();
int main()
{
char ch;
int num; clrscr();
char *password;
char *pass="12345678";
password=getpass("Enter the admininistrator password:");

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if(strcmp(pass,password)!=0)
{
cout<<"Enter the password correctly n";
cout<<"You are not permitted to logon this
moden";
goto h;
}
if(strcmp(pass,password)==0)
{
do
{
clrscr();
cout<<"nnntMAIN MENU";
cout<<"nnt01. NEW ACCOUNT";
cout<<"nnt02. DEPOSIT AMOUNT";
cout<<"nnt03. WITHDRAW AMOUNT";
cout<<"nnt04. BALANCE ENQUIRY";
cout<<"nnt05. ALL ACCOUNT HOLDER
LIST";
cout<<"nnt06. CLOSE ANACCOUNT";
cout<<"nnt07. MODIFY AN ACCOUNT";
cout<<"nnt08. EXIT";
cout<<"nntSelect Your Option (1-8) ";
cin>>ch;
clrscr();
switch(ch)
{
case '1':
write_account();
break;

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case '2':
cout<<"nntEnter The account
No. : "; cin>>num;
deposit_withdraw(num, 1);
break;
case '3':
cout<<"nntEnter The account
No. : "; cin>>num;
deposit_withdraw(num, 2);
break;
case '4':
cout<<"nntEnter The account
No. : "; cin>>num;
display_sp(num);
break;
case '5':
display_all();
break;
case '6':
cout<<"nntEnter The account
No. : "; cin>>num;
delete_account(num);
break;
case '7':
cout<<"nntEnter The account
No. : "; cin>>num;
modify_account(num);
break;

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case '8':
cout<<"nnnnnnttTHAN
KS FOR USING BANK
MANAGEMENT SYSTEM";
break;
default :cout<<"a";
}
getch();
}
while(ch!='8');
return 0;
}
h:
}
void write_account()
{
account ac;
ofstream outFile;
outFile.open("account.dat",ios::binary|ios::app);
ac.create_account();
outFile.write((char *) &ac, sizeof(account));
outFile.close();
}
void display_sp(int n)
{
account ac; int flag=0;
ifstream inFile;
inFile.open("account.dat",ios::binary);
if(!inFile)
{

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cout<<"File could not be open !! Press any Key...";
return;
}
cout<<"nBALANCE DETAILSn";
while(inFile.read((char *) &ac, sizeof(account)))
{
if(ac.retacno()==n)
{
ac.show_account();
flag=1;
}
}
inFile.close();
if(flag==0)
cout<<"nnAccount number does not exist";
}
void modify_account(int n)
{
int found=0;
account ac;
fstream File;
File.open("account.dat",ios::binary|ios::in|
ios::out);
if(!File)
{
cout<<"File could not be open !! Press any Key...";
return;
}
while(File.read((char *) &ac, sizeof(account)) &&
found==0)
{

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if(ac.retacno()==n)
{
ac.show_account();
cout<<"nnEnter The New Details of
account"<<endl;
ac.modify();
int pos=(-1)*sizeof(account);
File.seekp(pos,ios::cur);
File.write((char *) &ac, sizeof(account));
cout<<"nnt Record Updated";
found=1;
}
}
File.close();
if(found==0)
cout<<"nn Record Not Found ";
}
void delete_account(int n)
{
account ac;
ifstream inFile;
ofstream outFile;
inFile.open("account.dat",ios::binary);
if(!inFile)
{
cout<<"File could not be open !! Press any Key...";
return;
}

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outFile.open("Temp.dat",ios::binary);
inFile.seekg(0,ios::beg);
while(inFile.read((char *) &ac, sizeof(account)))
{
if(ac.retacno()!=n)
{
outFile.write((char *) &ac, sizeof(account));
}
}
inFile.close();
outFile.close();
remove("account.dat");
rename("Temp.dat","account.dat");
cout<<"nntRecord Deleted ..";
}
void display_all()
{
account ac;
ifstream inFile;
inFile.open("account.dat",ios::binary);
if(!inFile)
{
cout<<"File could not be open !! Press any Key...";
return;
}
cout<<"nnttACCOUNT HOLDER LISTnn";
cout<<"=============================
=======================n";
cout<<"A/c no. NAME Type Balancen";
cout<<"=============================
=======================n";

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while(inFile.read((char *) &ac, sizeof(account)))
{
ac.report();
}
inFile.close();
}
void deposit_withdraw(int n, int option)
{
int amt;
int found=0;
account ac;
fstream File;
File.open("account.dat", ios::binary|ios::in|ios::out);
if(!File)
{
cout<<"File could not be open !! Press any Key...";
return;
}
while(File.read((char *) &ac, sizeof(account)) &&
found==0)
{
if(ac.retacno()==n)
{
ac.show_account();
if(option==1)
{
cout<<"nntTO DEPOSITE AMOUNT
"<<endl;
cout<<"t------------------";
cout<<"nnEnter The amount to be
deposited ";

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cin>>amt;
ac.dep(amt);
}
if(option==2)
{
cout<<"nntTO WITHDRAW
AMOUNT "<<endl;
cout<<"t------------------";
cout<<"nnEnter The amount to be
withdraw ";
cin>>amt;
int bal=ac.retdeposit()-amt;
if((bal<500 && ac.rettype()=='S') ||
(bal<1000 && ac.rettype()=='C'))
cout<<"Insufficience balance";
else
ac.draw(amt);
}
int pos=(-1)* sizeof(ac);
File.seekp(pos,ios::cur);
File.write((char *) &ac, sizeof(account));
cout<<"nnt Record Updated";
found=1;
}
}
File.close();
if(found==0)
cout<<"nn Record Not Found ";
}

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 www.google.co.in
 www.wikipedia.org
 Computer science with C++ by Sumita
arora
 stackoverflow.com

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