BANKING SYSTEM: A PROJECT FOR THE CLASS XII STUDENTS OF CBSE

//Banking System
#include<fstream.h>
#include<iomanip.h>
#include<conio.h>
#include<string.h>

//Function Prototyping
void alignCenter(char*);
void Line();
void colorLine(int,char);
void nameHeader();
void AccountOpen();
void AccountList();
void deposit();
void withdraw();
void AccountClose();
void AccountFreeze();
void AccountUnFreeze();
void ClosedAccounts();
void ActiveAccounts();
void FreezedAccounts();
void BankFund();
void modifyDetails();
void menu();
void project();

//Declaration and Definition of Bank Class.
class Bank
{
unsigned long acno;
char name[50];
char type;
char gender;
float balance;
char status;

public:
Bank()
{
acno=0;
type='S';
balance=0;
strcpy(name,"");
status='A';
gender='F';
}
void getData(unsigned long);
void listData();
void showData();
void modify();
void Deposit(float);
void Withdraw(float);
void closeAccount();
void freezeAccount();
void unFreezeAccount();

unsigned long getAccountNumber()
{
return acno;
}

unsigned long getAccNo()
{
return acno;
}

char getType()
{
return type;
}

char getStatus()
{
return status;
}

float getBalance()
{
return balance;
}
}b;

//Class Member Function to Take Input for Bank Clients.
void Bank::getData(unsigned long n)
{
alignCenter("ENTER YOUR PERSONAL DETAILS");
colorLine(12,'=');
cout<<"Enter Account Name : ";
cin.get();
cin.getline(name,50);
gen:
cout<<"Enter Your Gender (M/F) : ";
cin>>gender;
if(!(gender=='M' || gender=='m' || gender== 'F' || gender=='f'))
{
cout<<"\nGender should only be either M or F\n";
cout<<"Kindly reenter correct gender type....\n";
goto gen;
}
check:
cout<<"Enter Account Type (C/S) : ";
cin>>type;
if(!(type=='S' || type=='s' || type== 'C' || type=='c'))
{
cout<<"\nAccount type should only be either C or S\n";
cout<<"Kindly reenter correct account type....\n";
goto check;
}
if(type=='S' || type=='s')
{
verify:
cout<<"Enter the Opening Balance: ";
cin>>balance;
if(balance<500)
{
cout<<"\nMinimum account balance for savings account should not be less than 500\n";
goto verify;
}
}
else if(type=='C' || type=='c')
{
verify2:
cout<<"Enter the Opening Balance: ";
cin>>balance;
if(balance<1000)
{
cout<<"\nMinimum account balance for current account should not be less than 1000\n";
goto verify2;
}
}
acno=n;
status='A';
}

//Displaying the details of account holder in tabular form.
void Bank::listData()
{
cout.setf(ios::left);
cout<<setw(8)<<acno
<<setw(20)<<name
<<gender<<setw(5)<<" "
<<type<<setw(5)<<" "
<<setw(10)<<balance
<<status<<setw(7)<<" "
<<endl;
}

//Displaying the details of account holder in columnar form.
void Bank::showData()
{
cout<<".....ACCOUNT DETAILS.....\n";
cout<<"Account Number : "<<acno<<endl;
cout<<"Account Name : "<<name<<endl;
cout<<"Account Type : "<<type<<endl;
cout<<"Account Balance : "<<balance<<endl;
}

//Modify Customer Details
void Bank::modify()
{
char ch;
cout<<"\n........Modify Existing Details........\n";
cout<<"\tAcc. No : "<<acno<<endl;
cout<<"\tName : "<<name<<endl;
cout<<"\tPress 1 if you want to modify\n";
ch=getch();
if(ch=='1')
{
cout<<"Enter New Name : ";
cin.ignore();
cin.getline(name,20);
}
cout<<"\tAcc. Type : "<<type<<endl;
cout<<"\tGender : "<<gender<<endl;
cout<<"\tPress 1 if you want to modify\n";
ch=getch();
if(ch=='1')
{
gen:
cout<<"Enter Your Gender (M/F) : ";
cin>>gender;
if(!(gender=='M' || gender=='m' || gender== 'F' || gender=='f'))
{
cout<<"\nGender should only be either M or F\n";
cout<<"Kindly reenter correct gender type....\n";
goto gen;
}
}
}

//Function to update the deposited balance in the deposited account.
void Bank::Deposit(float d)
{
balance+=d;
cout<<"\nYour amount : "<<d<<" deposited into your account....\n";
cout<<"Your updated balance is now : Rs. "<<balance<<endl;
}

//Function to update the withdrawn balance in the deposited account.
void Bank::Withdraw(float d)
{
if(type=='C' || type=='c')
{
if(balance-d>1000)
{
cout<<"\nYour amount : "<<d<<" withdrawn from your account....\n";
balance-=d;
cout<<"Your updated balance is now : Rs. "<<balance<<endl;
}
else
{
cout<<"\nYou can withdraw maximum : "
<<balance-1000<<" from your current account.";
}
}
else if(type=='S' || type=='s')
{
if(balance-d>500)
{
cout<<"\nYour amount : "<<d<<" withdrawn from your account....\n";
balance-=d;
cout<<"Your updated balance is now : Rs. "<<balance<<endl;
}
else
{
cout<<"\nYou can withdraw maximum : "
<<balance-500<<" from your savings account.";
}
}
}

//Close Account Class Function
void Bank::closeAccount()
{
status='C';
cout<<"\nYou can collect the cash balance from your account.\n";
cout<<"You have balance in your account i.e.: Rs."<<balance<<endl;
balance=0;
}

//Freeze Account Class Function
void Bank::freezeAccount()
{
status='F';
cout<<"\nYour account has been freezed...\n";
cout<<"\nContact branch office to unfreeze the account....\n";
cout<<"You have balance in your account i.e.: Rs."<<balance
<<"\nbut you cannot do any transactions....\n";
}

//Unfreeze Account Class Function
void Bank::unFreezeAccount()
{
status='A';
cout<<"\nYour account has been unfreezed...\n";
cout<<"\nContact branch office to unfreeze the account....\n";
cout<<"You have balance in your account i.e.: Rs."<<balance
<<"\nnow you can do any transactions....\n";
}

void alignCenter(char* c)
{
int n,x,y=5;
n=strlen(c);
textcolor(14);
x=(80-n)/2;
gotoxy(x,y);
cprintf("%s",c);
textcolor(7);
cout<<endl;
}

void Line()
{
for(int i=1;i<80;i++)
cout<<"=";
cout<<endl;
}

void colorLine(int n,char c)
{
textcolor(n);
for(int i=1;i<80;i++)
cprintf("%c",c);
textcolor(7);
cout<<endl;
}

void Header()
{
gotoxy(1,1);
colorLine(13,'#');
gotoxy(28,2);
textcolor(2);
cprintf("BHARTIYA JANTA BANK (BJB)");
textcolor(7);
gotoxy(1,3);
colorLine(13,'#');
cout<<endl;
gotoxy(1,24);
colorLine(13,'#');
gotoxy(1,3);
cout<<endl;
}

//Function to display name header for tabular list display of account holders
void nameHeader()
{
cout.setf(ios::left);
colorLine(12,'+');
cout<<setw(8)<<"A/c.No."
<<setw(20)<<"Name of Account"
<<setw(6)<<"Gendr"
<<setw(6)<<"Type"
<<setw(10)<<"Balance"
<<setw(8)<<"Status"
<<endl;
colorLine(12,'+');
}

//Open Account Function
void AccountOpen()
{
unsigned long ano=0;
//Reading File For Getting the Last Account Number
ifstream fin("bank.dat",ios::in|ios::binary);
while(fin.read((char*)&b,sizeof(b)))
{
ano=b.getAccNo();
}
fin.close();

//Generating Automatic Account Number
if(ano==0) ano=1;
else ano+=1;

ofstream fout("bank.dat",ios::out|ios::app|ios::binary);

textcolor(11+BLINK);
cout<<"Your Account Number is : ";
cprintf("%u",ano);
cout<<endl<<endl<<endl;
textcolor(7);

b.getData(ano);
fout.write((char*)&b,sizeof(b));
fout.close();
cout<<"\n\n....Data Saved to File.....\n";
}

//Display Account Details List View
void AccountList()
{
ifstream fin("bank.dat",ios::binary|ios::in);
nameHeader();
while(fin.read((char*)&b,sizeof(b)))
{
b.listData();
}
cout<<"\n....Data Reading from File Completed....\n";
fin.close();
}

//Deposit Amount Function.....
void deposit()
{
unsigned long ac;
int flag=0, pos;
float amount;
cout<<"Enter Account no. to deposit amount : ";
cin>>ac;
fstream fio("bank.dat",ios::binary|ios::in|ios::out);
while(fio.read((char*)&b,sizeof(b)))
{
pos=fio.tellg();
if(ac==b.getAccNo())
{
if(b.getStatus()=='F'||b.getStatus()=='f')
{
cout<<"\nYour account is freezed.....";
cout<<"\nContact Branch Office for assistance....\n";
flag++;
}
else if(b.getStatus()=='C'||b.getStatus()=='c')
{
cout<<"\nYour account is closed....";
cout<<"\nContact Branch Office for assistance...\n";
flag++;
}
else
{
cout<<"\n.....Your Account Details.....\n";
b.showData();
cout<<"Enter Amount to Deposit : ";
cin>>amount;
fio.seekg(pos-sizeof(b));
b.Deposit(amount);
fio.write((char*)&b,sizeof(b));
flag++;
}
}
}
if(flag==0)
{
cout<<"\nEntered Account Number is invalied....\n";
}
fio.close();
}

//Withdraw Amount Function.....
void withdraw()
{
unsigned long ac;
int flag=0, pos;
float amount;
cout<<"Enter Account no. to Withdraw an amount : ";
cin>>ac;
fstream fio("bank.dat",ios::binary|ios::in|ios::out);
while(fio.read((char*)&b,sizeof(b)))
{
pos=fio.tellg();
if(ac==b.getAccNo())
{
if(b.getStatus()=='F'||b.getStatus()=='f')
{
cout<<"\nYour account is freezed.....";
cout<<"\nContact Branch Manager for assistance....\n";
flag++;
}
else if(b.getStatus()=='C'||b.getStatus()=='c')
{
cout<<"\nYour account is closed.....";
cout<<"\nContact Branch Manager for assistance....\n";
flag++;
}
else
{
cout<<"\n.....Your Account Details.....\n";
b.showData();
cout<<"Enter Amount to Withdraw : ";
cin>>amount;
fio.seekg(pos-sizeof(b));
b.Withdraw(amount);
fio.write((char*)&b,sizeof(b));
flag++;
}
}
}
if(flag==0)
{
cout<<"\nEntered Account Number is invalied....\n";
}
fio.close();
}

//Close Account Function Changes status to C from A
void AccountClose()
{
unsigned long ac;
int flag=0, pos;
float amount;
cout<<"Enter Account no. to Close : ";
cin>>ac;
fstream fio("bank.dat",ios::binary|ios::in|ios::out);
ofstream fout("closed.dat",ios::binary|ios::app);
while(fio.read((char*)&b,sizeof(b)))
{
pos=fio.tellg();
if(ac==b.getAccNo())
{
cout<<"\nThe following account is closed now\n";
cout<<"\n.....Your Account Details.....\n";
b.showData();
fio.seekg(pos-sizeof(b));
b.closeAccount();
fio.write((char*)&b,sizeof(b));
fout.write((char*)&b,sizeof(b));
flag++;
}
}
if(flag==0)
{
cout<<"\nEntered Account Number is invalied....\n";
}
fio.close();
}

//Freeze Account Function Changes status to F from A
void AccountFreeze()
{
unsigned long ac;
int flag=0, pos;
float amount;
cout<<"Enter Account no. to Freeze : ";
cin>>ac;
fstream fio("bank.dat",ios::binary|ios::in|ios::out);
while(fio.read((char*)&b,sizeof(b)))
{
pos=fio.tellg();
if(ac==b.getAccNo())
{
if(b.getStatus()=='c'||b.getStatus()=='C')
{
cout<<"\nAccount No. "<<ac<<" is now freezed.....\n";
cout<<"Contact branch office for assistance....\n";
flag++;
}
else
{
cout<<"\nThe following account is freezed now\n";
cout<<"\n.....Your Account Details.....\n";
b.showData();
fio.seekg(pos-sizeof(b));
b.freezeAccount();
fio.write((char*)&b,sizeof(b));
flag++;
}
}
}
if(flag==0)
{
cout<<"\nEntered Account Number is invalid....\n";
}
fio.close();
}

//UnFreeze Account Function Changes status to A from F
void AccountUnFreeze()
{
unsigned long ac;
int flag=0, pos;
cout<<"Enter Account no. to UnFreeze : ";
cin>>ac;
fstream fio("bank.dat",ios::binary|ios::in|ios::out);
while(fio.read((char*)&b,sizeof(b)))
{
pos=fio.tellg();
if(ac==b.getAccNo())
{
if(b.getStatus()=='F'||b.getStatus()=='f')
{
cout<<"\nThe following account is unfreezed now\n";
cout<<"\n.....Your Account Details.....\n";
b.showData();
fio.seekg(pos-sizeof(b));
b.unFreezeAccount();
fio.write((char*)&b,sizeof(b));
flag++;
}
else if(b.getStatus()=='A' || b.getStatus()=='a')
{
cout<<"\nYour account is already active.....\n";
flag++;
}
}
}
if(flag==0)
{
cout<<"\nEntered Account Number is invalid....\n";
}
fio.close();
}

//Display Closed Account Details List View
void ClosedAccounts()
{
int flag=0;
ifstream fin("bank.dat",ios::binary|ios::in);
nameHeader();
while(fin.read((char*)&b,sizeof(b)))
{
if(b.getStatus()=='C'||b.getStatus()=='c')
{
b.listData();
flag++;
}
}
fin.close();
if(flag==0)
cout<<"\n\nNo Closed Accont in the Bank.....\n";
cout<<"\n....Data Reading from File Completed....\n";
fin.close();
}

//Display Active Account Details List View
void ActiveAccounts()
{
int flag=0;
ifstream fin("bank.dat",ios::binary|ios::in);
nameHeader();
while(fin.read((char*)&b,sizeof(b)))
{
if(b.getStatus()=='A'||b.getStatus()=='F')
{
b.listData();
flag++;
}
}
fin.close();
if(flag==0)
cout<<"\n\nNo Active Accont in the Bank.....\n";
cout<<"\n....Data Reading from File Completed....\n";
}

//Display Freezed Account Details List View
void FreezedAccounts()
{
int flag=0;
ifstream fin("bank.dat",ios::binary|ios::in);
nameHeader();
while(fin.read((char*)&b,sizeof(b)))
{
if(b.getStatus()=='F')
{
b.listData();
flag++;
}
}
fin.close();
if(flag==0)
cout<<"\n\nNo Freezed Accont in the Bank.....\n";
cout<<"\n....Data Reading from File Completed....\n";
}

//Display Total Bank Fund Account Wise
void BankFund()
{
//Variable for counting balance
float sbalance=0, cbalance=0, fbalance=0, tbalance=0;
//Variable for counting account
int cs=0,cc=0, cf=0, tf=0;

ifstream fin("bank.dat",ios::binary|ios::in);
while(fin.read((char*)&b,sizeof(b)))
{
if(b.getStatus()=='F')
{
fbalance+=b.getBalance(),cf++;
}
else
{
if(b.getType()=='C'||b.getType()=='c')
cbalance+=b.getBalance(), cc++;
else if(b.getType()=='S'||b.getType()=='s')
sbalance+=b.getBalance(),cs++;
}
}
tf=cc+cs+cf;
tbalance=sbalance+cbalance+fbalance;
fin.close();
cout<<endl<<endl;
cout<<"\t\t\tTOTAL BANK FUNDS\n\n";
cout<<"\tAccount Type\tNo. of Accounts\tNet Balance\n";
cout<<"\t============\t===============\t===========\n\n";
cout<<"\tSavings \t"<<setw(11)<<cs<<setw(15)<<sbalance<<endl<<endl;
cout<<"\tCurrent \t"<<setw(11)<<cc<<setw(15)<<cbalance<<endl<<endl;
cout<<"\tFreezed \t"<<setw(11)<<cf<<setw(15)<<fbalance<<endl<<endl;
cout<<"\t============\t===============\t===========\n";
cout<<"\tTotal \t"<<setw(11)<<tf<<setw(15)<<tbalance<<endl;
cout<<"\t============\t===============\t===========\n";
}

//Modifying the details of Customers...
void modifyDetails()
{
unsigned long ac;
int flag=0, pos;
cout<<"Enter Account no. to Modify : ";
cin>>ac;
fstream fio("bank.dat",ios::binary|ios::in|ios::out);
while(fio.read((char*)&b,sizeof(b)))
{
pos=fio.tellg();
if(ac==b.getAccNo())
{
cout<<"\n.....Your Account Details.....\n";
b.showData();
fio.seekg(pos-sizeof(b));
b.modify();
fio.write((char*)&b,sizeof(b));
flag++;
}
}
if(flag==0)
{
cout<<"\nEntered Account Number is invalied....\n";
}
fio.close();
}

//Menu Options
void menu()
{
clrscr();
Header();
cout<<"0. Exit\n";
cout<<"1. Register for New Account\n";
cout<<"2. See Account Details\n";
cout<<"3. Deposit Amount\n";
cout<<"4. Withdraw Amount\n";
cout<<"5. Close Account\n";
cout<<"6. Show Active Accounts\n";
cout<<"7. Show Closed Accounts\n";
cout<<"8. Freeze Account\n";
cout<<"9. Show Freezed Accounts\n";
cout<<"10. Unfreeze Account\n";
cout<<"11. Total Bank Fund\n";
cout<<"12. Modify Customer Data\n";
cout<<"Enter your choice : ";
}

void project()
{
int ch;
do
{
menu();
cin>>ch;
clrscr();
Header();
switch(ch)
{
case 1: AccountOpen(); break;
case 2: AccountList(); break;
case 3: deposit(); break;
case 4: withdraw(); break;
case 5: AccountClose(); break;
case 6: ActiveAccounts(); break;
case 7: ClosedAccounts(); break;
case 8: AccountFreeze(); break;
case 9: FreezedAccounts(); break;
case 10: AccountUnFreeze(); break;
case 11: BankFund(); break;
case 12: modifyDetails(); break;
}
getch();
}while(ch);
}

void main()
{
project();
}