#include<iostream>
#include<conio.h>
#include<string>
using namespace std;
class atm
{
private:
float balance;
public:
atm()
{
balance=0;
}
void deposit(float a)
{
cout<<"Enter amount you want to deposit"<<endl;
cin>>a;
balance=balance+a;
}
void withdraw(float b)
{
cout<<"Enter money you want to withdraw"<<endl;
cin>>b;
if(b>balance)
cout<<"Your balance is not enough to continue transaction"<<endl;
else
balance=balance-b;
}
float showBalance()
{
return balance;
}
};
void main()
{
atm ob;
float y=0,z=0;
char choice;
string password="";
char a;
cout<<"Enter your password:"<<endl;
do
{
a=_getch();
switch(a)
{
case '\b': // "\b" is used for BACKSPACE
if(password.length()>0)
{
password.erase(password.length()-1);
cout<<'\b'<<" "<<'\b';
break;
}
default:
if(a>31&&a<127) // 31 to 127 are ASCII code for keyboard keys
{
password.push_back(a);
cout<<"*";
}
}
}
while(a!='\r'); // "\r" is used for ENTER
if(password=="tzt")
{
cout << "\n^^^^Access granted^^^^ \n";
cout<<"Your current account balance is 0.\n"<<endl;
do
{
int opt;
cout<<"Enter 1 if you want to deposit money."<<endl;
cout<<"Enter 2 if you want to withdraw money."<<endl;
cin>>opt;
switch(opt)
{
case 1:
ob.deposit(y);
break;
case 2:
ob.withdraw(z);
break;
default:
cout<<"Wrong entry!"<<endl;
break;
}
cout<<"Your account balance:"<<ob.showBalance()<<endl;
cout<<"******PRESS******\ny to continue\nn to terminate\n";
cin>>choice;
}
while(choice!='n');
}
else
{
cout << "\nAccess denied...\n";
}
cout<<"*********GOOD BYE*********"<<endl;
_getch();
}
