[/* Bank v0.63 - Coded by LordMattias %%%%%%%%%%%%%%%%%  Project Plans%%%%%%%%%%%%%%%%%v0.55 (FINISHED)-User verification (Account name/pass only w/o data file)v0.56 (FINISHED)-Changed menu from mostyl numerals (1,2,3,q) to all letters (b,d,w,q)v0.58 (FINISHED)-Input error checking - Asks again for correct input type without crashing. Except for strings with whitespace... look into later. v0.60 (FINISHED)-Date and time on access granted... v0.62 (FINISHED)-Prevent withdrawal that exceeds account.balancev0.63 (FINISHED)-Now works with doubles instead of Int.v0.65 (IN PROGRESS)-Add Transaction History with date/time/trans-type/ammount transferred (For single program run) v0.70-Create Admin Account with additional menu items. (No functionality yet)v0.75-Create data file that holds the following:	-Account Names/Passwords	-Account Balancesv0.80-User verification (Account name/pass from data file)v0.85-Allow Transfers to other Bank Membersv0.90-Add small fee for transferring and withdrawing, that deducts from their account.v1.00-Regular user versus Administrative priviliges	-Admin: expanded menu... delete accounts, check any accounts transaction history, etc...	-User: Regular Menu that a customer would see*/#include <iostream>#include <string>	#include <ctime>using namespace std;class Bank {public:	double balance;	string username;	string password;	double deposit(double input, double account);	double withdraw(double input, double account);};double Bank::deposit(double input, double account) {	return (account + input);}double Bank::withdraw(double input, double account) {	if(account >= input)		return(account - input);	else {		cout << "Sorry, you don't have that much money in your account." << endl;		return(account);   	}}Bank account;  // Creates global account object.class Menu {public:	bool login();	void display();	void choice(char ch);	bool isvalid(char ch);};bool Menu::login() {	string str;	cout << "\nWelcome to Bank of Swanklandia\n";	// Username	for(;;) {		cout << "Enter Username: ";		getline(cin, str);		if(str != account.username)			cout << "Invalid Username.\nPlease try again" << endl;		else			break;	}	// Password	cout << "Enter Password: ";	getline(cin, str);	if(str == account.password) {		cout << "Access Granted!\n" << endl;		return 1;	}	else {		cout << "Access Denied.  Lockout Initiated." << endl;		return 0;	}}void Menu::display() {	char date[10];	char time[10];	_strdate(date);	_strtime(time);	cout << "The time is " << time << " on " << date << "\n\n";	cout << "Bank Menu\n";	cout << "b) Balance Inquiry\n";	cout << "d) Deposit\n";	cout << "w) Withdraw\n";	cout << "h) View Transaction History(not yet available)\n";	cout << "q) Quit\n";	cout << "\nYour selection: ";}void Menu::choice(char ch) {	double x;	switch(ch) {	case 'b' :		cout << "Your current balance is: $" << account.balance << "\n\n";		break;	case 'd':		cout << "How much would you like to deposit?: ";		cin >> x;		account.balance = account.deposit(x, account.balance);		break;	case 'w':		cout << "How much would you like to withdraw?: ";		cin >> x;		account.balance = account.withdraw(x, account.balance);		break;	}}bool Menu::isvalid(char ch) {	if(ch != 98 && ch != 100 && ch != 119 && ch !='q')		return false;	else		return true;}int main(){	char input;	Menu mobj;	account.balance = 2500.95;	 // Sets initial account balance	account.username = "Mattias";	account.password = "chicken";	if(mobj.login() == 0)		return 0; // Authenticates user, exits if they fail.	for(;;) {		do {		mobj.display();		cin >> input;		if(!mobj.isvalid(input))			cout << "Invalid selection, please enter a letter (ex: 'b' for balance)" << endl;	}while(!mobj.isvalid(input));	if(input == 'q') 		break; 	cout << endl;		mobj.choice(input);	}	return 0;}]

class Bank {private:	double balance;	string username;	string password;public:	double deposit(double input, double account);	double withdraw(double input, double account);        double getbalance();        string getusername();        string getpassword();};