ATM.cpp

#include <iostream>

using namespace std;

class Account
{
public:
	Account(double initialDeposit = 0) :balance(initialDeposit) {}
	double getBalance()const { return balance; }
	double deposit(double amount);
	double withdraw(double amount);
private:
	double balance;
};
class NegativeDeposit
{

};
class InsufficientFunds
{

};
double Account::deposit(double amount)
{
	if (amount > 0)
		balance += amount;
	else
		throw NegativeDeposit();
	return balance;
}
double Account::withdraw(double amount)
{
	if ((amount > balance) || (amount < 0))
		throw InsufficientFunds();
	else
		balance -= amount;
	return balance;

}

int main()
{
	Account a(100);
	try
	{
		cout << "Depositing 50" << endl;
		cout << "New balance: " << a.deposit(50) << endl;
		//cout << "Depositing -25" << endl;
		//cout << "New balance: " << a.deposit(-25) << endl;
		cout << "Withdraw 25" << endl;
		cout << "New balance: " << a.withdraw(25) << endl;
		cout << "Withdraw 250" << endl;
		cout << "New balance: " << a.withdraw(250) << endl;
	}
	catch (InsufficientFunds) // InsufficientFunds: a class name
	{
		cout << "Not enough money to withdraw that amount." << endl;
	}
	catch (NegativeDeposit) // NegativeDeposit: a class name
	{
		cout << "You may only deposit a positive amount." << endl;
	}
	cout << "Enter a character to exit" << endl;
	char wait;
	cin >> wait;
	system("pause");
	return 0;
}
// note that
// class NegativeDeposit {…};
// class InsufficientFunds {…};