Bank Management System Project with C++

Published January 09, 2022


In this C++ Projects we are going to create C++ Bank Management System. This BMS is a console based application which can be used by Customers for Bank Related Transactions. It is a very simplified application and is very user friendly. We developed this project under Codeblocks editor. This Bank Management System project consist of below modules

  • Create New Bank Account
  • Deposit Amount to the Account
  • Withdraw amount from your account
  • Check Balance Inquiry
  • Display All Account Holders List
  • Update Bank Account
  • Close Account

This C++ Bank Management System projects will be useful for academic engineers, student like CBSE board student who want to create their Mini Projects for respected academic year.


Let's create s C++ Project in Codeblocks IDE


Step 1: Launch Codeblocks IDE and Create New Project
It will launch below window, select Console Application and click Finish

C++ Bank Management System


Click Finish

Select C++ from the list

Bank Management System


Now Enter Project name C++ Bank Management System and select destination path of the project and click Next

Bank Managment Project with C++


To run C++ code first we need to compile the code, to compile the c++ code we will select GNU compiler for this project and click finish

Bank Managment system

Now your c++ Bank Management System project will created

Bank Management System Management Project Source code

Step 2: Create a Account class to handle the Bank Account
This Account class contains properties like acno,name, deposit and type of account
and declare functions to add each module functionality

class account
{
   int acno;
   char name[50];
   int deposit;
   char type;
public:
   void create_account(); //function to get data from user
   void show_account() const; //function to show data on screen
   void modify(); //function to add new data
   void dep(int); //function to accept amount and add to balance amount
   void draw(int);    //function to accept amount and subtract from balance amount
   void report() const;   //function to show data in tabular format
   int retacno() const;   //function to return account number
   int retdeposit() const;    //function to return balance amount
   char rettype() const;  //function to return type of account
};         //class ends here

 

Step 3: Create Account
This Module will create an account. We will ask user to enter hie account No, Account Holder Name, Account type (Current/savings) and deposit amount.

void write_account()
{
   account ac;
   ofstream outFile;
   outFile.open("account.dat",ios::binary|ios::app);
   ac.create_account();
   outFile.write(reinterpret_cast<char *> (&ac), sizeof(account));
   outFile.close();
}

Step 4: Deposit and Withdraw Amount

void deposit_withdraw(int n, int option)
{
   int amt;
   bool found=false;
   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.eof() && found==false)
   {
      File.read(reinterpret_cast<char *> (&ac), sizeof(account));
      if(ac.retacno()==n)
      {
         ac.show_account();
         if(option==1)
         {
            cout<<"\n\n\tTO DEPOSITE AMOUNT ";
            cout<<"\n\nEnter The amount to be deposited";
            cin>>amt;
            ac.dep(amt);
         }
         if(option==2)
         {
            cout<<"\n\n\tTO WITHDRAW AMOUNT ";
            cout<<"\n\nEnter 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)*static_cast<int>(sizeof(ac));
         File.seekp(pos,ios::cur);
         File.write(reinterpret_cast<char *> (&ac), sizeof(account));
         cout<<"\n\n\t Record Updated";
         found=true;
          }
         }
   File.close();
   if(found==false)
      cout<<"\n\n Record Not Found ";
}

 

Step 6: Check Balance Inquiry

void display_sp(int n)
{
   account ac;
   bool flag=false;
   ifstream inFile;
   inFile.open("account.dat",ios::binary);
   if(!inFile)
   {
      cout<<"File could not be open !! Press any Key...";
      return;
   }
   cout<<"\nBALANCE DETAILS\n";

       while(inFile.read(reinterpret_cast<char *> (&ac), sizeof(account)))
   {
      if(ac.retacno()==n)
      {
         ac.show_account();
         flag=true;
      }
   }
   inFile.close();
   if(flag==false)
      cout<<"\n\nAccount number does not exist";
}

Step 7: Display All Bank Account Holders list

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<<"\n\n\t\tACCOUNT HOLDER LIST\n\n";
   cout<<"====================================================\n";
   cout<<"A/c no.      NAME           Type  Balance\n";
   cout<<"====================================================\n";
   while(inFile.read(reinterpret_cast<char *> (&ac), sizeof(account)))
   {
      ac.report();
   }
   inFile.close();
}

Step 8: Modify Account

void modify_account(int n)
{
   bool found=false;
   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.eof() && found==false)
   {
      File.read(reinterpret_cast<char *> (&ac), sizeof(account));
      if(ac.retacno()==n)
      {
         ac.show_account();
         cout<<"\n\nEnter The New Details of account"<<endl;
         ac.modify();
         int pos=(-1)*static_cast<int>(sizeof(account));
         File.seekp(pos,ios::cur);
         File.write(reinterpret_cast<char *> (&ac), sizeof(account));
         cout<<"\n\n\t Record Updated";
         found=true;
        }
   }
   File.close();
   if(found==false)
      cout<<"\n\n Record Not Found ";
}

Step 9: Close an Account

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;
   }
   outFile.open("Temp.dat",ios::binary);
   inFile.seekg(0,ios::beg);
   while(inFile.read(reinterpret_cast<char *> (&ac), sizeof(account)))
   {
      if(ac.retacno()!=n)
      {
         outFile.write(reinterpret_cast<char *> (&ac), sizeof(account));
      }
   }
   inFile.close();
   outFile.close();
   remove("account.dat");
   rename("Temp.dat","account.dat");
   cout<<"\n\n\tRecord Deleted ..";
}

Step 10: Now create a Menu in main.cpp file to execute all above functions

int main()
{
   char ch;
   int num;
   intro();
   do
   {
      system("cls");
      cout<<"\n\n\n\tMAIN MENU";
      cout<<"\n\n\t01. NEW ACCOUNT";
      cout<<"\n\n\t02. DEPOSIT AMOUNT";
      cout<<"\n\n\t03. WITHDRAW AMOUNT";
      cout<<"\n\n\t04. BALANCE ENQUIRY";
      cout<<"\n\n\t05. ALL ACCOUNT HOLDER LIST";
      cout<<"\n\n\t06. CLOSE AN ACCOUNT";
      cout<<"\n\n\t07. MODIFY AN ACCOUNT";
      cout<<"\n\n\t08. EXIT";
      cout<<"\n\n\tSelect Your Option (1-8) ";
      cin>>ch;
      system("cls");
      switch(ch)
      {
      case '1':
         write_account();
         break;
      case '2':
         cout<<"\n\n\tEnter The account No. : "; cin>>num;
         deposit_withdraw(num, 1);
         break;
      case '3':
         cout<<"\n\n\tEnter The account No. : "; cin>>num;
         deposit_withdraw(num, 2);
         break;
      case '4':
         cout<<"\n\n\tEnter The account No. : "; cin>>num;
         display_sp(num);
         break;
      case '5':
         display_all();
         break;
      case '6':
         cout<<"\n\n\tEnter The account No. : "; cin>>num;
         delete_account(num);
         break;
       case '7':
         cout<<"\n\n\tEnter The account No. : "; cin>>num;
         modify_account(num);
         break;
       case '8':
         cout<<"\n\n\tThanks for using bank managemnt system";
         break;
       default :cout<<"\a";
      }
      cin.ignore();
      cin.get();
   }while(ch!='8');
   return 0;
}

 

 

Complete code for C++ Bank Management System project

#include <iostream>

#include<iostream>
#include<fstream>
#include<cctype>
#include<iomanip>

using namespace std;

void write_account();  //function to write record in binary file
void display_sp(int);  //function to display account details given by user
void modify_account(int);  //function to modify record of file
void delete_account(int);  //function to delete record of file
void display_all();       //function to display all account details
void deposit_withdraw(int, int); // function to desposit/withdraw amount for given account
void intro();  //introductory screen function
int main()
{
   char ch;
   int num;
   intro();
   do
   {
      system("cls");
      cout<<"\n\n\n\tMAIN MENU";
      cout<<"\n\n\t01. NEW ACCOUNT";
      cout<<"\n\n\t02. DEPOSIT AMOUNT";
      cout<<"\n\n\t03. WITHDRAW AMOUNT";
      cout<<"\n\n\t04. BALANCE ENQUIRY";
      cout<<"\n\n\t05. ALL ACCOUNT HOLDER LIST";
      cout<<"\n\n\t06. CLOSE AN ACCOUNT";
      cout<<"\n\n\t07. MODIFY AN ACCOUNT";
      cout<<"\n\n\t08. EXIT";
      cout<<"\n\n\tSelect Your Option (1-8) ";
      cin>>ch;
      system("cls");
      switch(ch)
      {
      case '1':
         write_account();
         break;
      case '2':
         cout<<"\n\n\tEnter The account No. : "; cin>>num;
         deposit_withdraw(num, 1);
         break;
      case '3':
         cout<<"\n\n\tEnter The account No. : "; cin>>num;
         deposit_withdraw(num, 2);
         break;
      case '4':
         cout<<"\n\n\tEnter The account No. : "; cin>>num;
         display_sp(num);
         break;
      case '5':
         display_all();
         break;
      case '6':
         cout<<"\n\n\tEnter The account No. : "; cin>>num;
         delete_account(num);
         break;
       case '7':
         cout<<"\n\n\tEnter The account No. : "; cin>>num;
         modify_account(num);
         break;
       case '8':
         cout<<"\n\n\tThanks for using bank managemnt system";
         break;
       default :cout<<"\a";
      }
      cin.ignore();
      cin.get();
   }while(ch!='8');
   return 0;
}

//***************************************************************
//     function to write in file
//****************************************************************


class account
{
   int acno;
   char name[50];
   int deposit;
   char type;
public:
   void create_account(); //function to get data from user
   void show_account() const; //function to show data on screen
   void modify(); //function to add new data
   void dep(int); //function to accept amount and add to balance amount
   void draw(int);    //function to accept amount and subtract from balance amount
   void report() const;   //function to show data in tabular format
   int retacno() const;   //function to return account number
   int retdeposit() const;    //function to return balance amount
   char rettype() const;  //function to return type of account
};         //class ends here

void account::create_account()
{
   cout<<"\nEnter The account No. :";
   cin>>acno;
   cout<<"\n\nEnter The Name of The account Holder : ";
   cin.ignore();
   cin.getline(name,50);
   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<<"\n\n\nAccount Created..";
}

void account::show_account() const
{
   cout<<"\nAccount No. : "<<acno;
   cout<<"\nAccount Holder Name : ";
   cout<<name;
   cout<<"\nType of Account : "<<type;
   cout<<"\nBalance amount : "<<deposit;
}


void account::modify()
{
   cout<<"\nAccount No. : "<<acno;
   cout<<"\nModify Account Holder Name : ";
   cin.ignore();
   cin.getline(name,50);
   cout<<"\nModify Type of Account : ";
   cin>>type;
   type=toupper(type);
   cout<<"\nModify Balance amount : ";
   cin>>deposit;
}


void account::dep(int x)
{
   deposit+=x;
}

void account::draw(int x)
{
   deposit-=x;
}

void account::report() const
{
   cout<<acno<<setw(10)<<" "<<name<<setw(10)<<" "<<type<<setw(6)<<deposit<<endl;
}


int account::retacno() const
{
   return acno;
}

int account::retdeposit() const
{
   return deposit;
}

char account::rettype() const
{
   return type;
}

void write_account()
{
   account ac;
   ofstream outFile;
   outFile.open("account.dat",ios::binary|ios::app);
   ac.create_account();
   outFile.write(reinterpret_cast<char *> (&ac), sizeof(account));
   outFile.close();
}

//***************************************************************
//     function to read specific record from file
//****************************************************************

void display_sp(int n)
{
   account ac;
   bool flag=false;
   ifstream inFile;
   inFile.open("account.dat",ios::binary);
   if(!inFile)
   {
      cout<<"File could not be open !! Press any Key...";
      return;
   }
   cout<<"\nBALANCE DETAILS\n";

       while(inFile.read(reinterpret_cast<char *> (&ac), sizeof(account)))
   {
      if(ac.retacno()==n)
      {
         ac.show_account();
         flag=true;
      }
   }
   inFile.close();
   if(flag==false)
      cout<<"\n\nAccount number does not exist";
}


//***************************************************************
//     function to modify record of file
//****************************************************************

void modify_account(int n)
{
   bool found=false;
   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.eof() && found==false)
   {
      File.read(reinterpret_cast<char *> (&ac), sizeof(account));
      if(ac.retacno()==n)
      {
         ac.show_account();
         cout<<"\n\nEnter The New Details of account"<<endl;
         ac.modify();
         int pos=(-1)*static_cast<int>(sizeof(account));
         File.seekp(pos,ios::cur);
         File.write(reinterpret_cast<char *> (&ac), sizeof(account));
         cout<<"\n\n\t Record Updated";
         found=true;
        }
   }
   File.close();
   if(found==false)
      cout<<"\n\n Record Not Found ";
}

//***************************************************************
//     function to delete record of file
//****************************************************************


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;
   }
   outFile.open("Temp.dat",ios::binary);
   inFile.seekg(0,ios::beg);
   while(inFile.read(reinterpret_cast<char *> (&ac), sizeof(account)))
   {
      if(ac.retacno()!=n)
      {
         outFile.write(reinterpret_cast<char *> (&ac), sizeof(account));
      }
   }
   inFile.close();
   outFile.close();
   remove("account.dat");
   rename("Temp.dat","account.dat");
   cout<<"\n\n\tRecord Deleted ..";
}

//***************************************************************
//     function to display all accounts deposit list
//****************************************************************

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<<"\n\n\t\tACCOUNT HOLDER LIST\n\n";
   cout<<"====================================================\n";
   cout<<"A/c no.      NAME           Type  Balance\n";
   cout<<"====================================================\n";
   while(inFile.read(reinterpret_cast<char *> (&ac), sizeof(account)))
   {
      ac.report();
   }
   inFile.close();
}

//***************************************************************
//     function to deposit and withdraw amounts
//****************************************************************

void deposit_withdraw(int n, int option)
{
   int amt;
   bool found=false;
   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.eof() && found==false)
   {
      File.read(reinterpret_cast<char *> (&ac), sizeof(account));
      if(ac.retacno()==n)
      {
         ac.show_account();
         if(option==1)
         {
            cout<<"\n\n\tTO DEPOSITE AMOUNT ";
            cout<<"\n\nEnter The amount to be deposited";
            cin>>amt;
            ac.dep(amt);
         }
         if(option==2)
         {
            cout<<"\n\n\tTO WITHDRAW AMOUNT ";
            cout<<"\n\nEnter 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)*static_cast<int>(sizeof(ac));
         File.seekp(pos,ios::cur);
         File.write(reinterpret_cast<char *> (&ac), sizeof(account));
         cout<<"\n\n\t Record Updated";
         found=true;
          }
         }
   File.close();
   if(found==false)
      cout<<"\n\n Record Not Found ";
}


//***************************************************************
//     INTRODUCTION FUNCTION
//****************************************************************


void intro()
{
   cout<<"\n\n\n\t  BANK";
   cout<<"\n\n\tMANAGEMENT";
   cout<<"\n\n\t  SYSTEM";
   cout<<"\n\n\n\nMADE BY : RRTutors";
   cout<<"\n\n Bank : Bank Of RRT";
   cin.get();
}

 

Conclusion: In this C++ Project tutorial we create bank management System Project with Add account, display balance, modify account, close bank account features.

 

 

Download Source code

 


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