BCS 120 - Assignment 2

//Assignment 2
void forLoopExample()
{
	string usernameEntered, passwordEntered, username, password;
	username = "admin";
	password = "farmingdale";

	for (int counter = 0; counter < 3; counter++)
	{
		cout << "Enter username: ";
		cin >> usernameEntered;

		cout << "Enter password: ";
		cin >> passwordEntered;

		if (usernameEntered == username && passwordEntered == password)
		{
			cout << "Welcome\n";
			break;
		}
		else
		{
			cout << "Username or password was incorrect, try again.\n";
		}
	}
}

//Assignment 2
void whileLoopExample()
{
	int counter = 0;
	string usernameEntered, passwordEntered, username, password;

	username = "admin";
	password = "farmingdale";

	while (counter < 3)
	{
		cout << "Enter username: ";
		cin >> usernameEntered;

		cout << "Enter password: ";
		cin >> passwordEntered;

		if (usernameEntered == username && passwordEntered == password)
		{
			cout << "Welcome\n";
			break;
		}
		else
		{
			cout << "Username or password was incorrect, try again.\n";
			counter++;
		}
	}
}

//Assignment 2
void doWhileLoopExample()
{
	int counter = 0;
	string usernameEntered, passwordEntered, username, password;

	username = "admin";
	password = "farmingdale";

	do
	{
		cout << "Enter username: ";
		cin >> usernameEntered;

		cout << "Enter password: ";
		cin >> passwordEntered;

		if (usernameEntered == username && passwordEntered == password)
		{
			cout << "Welcome\n";
			break;
		}
		else
		{
			cout << "Username or password was incorrect, try again.\n";
			counter++;
		}
	} while (counter < 3);
}

//Assignment 2
void assignment2()
{
	char selection;
	system("cls");

	do
	{
		cout << " Password Menu\n";
		cout << " ====================================\n";
		cout << " 1. for Loop\n";
		cout << " 2. while Loop\n";
		cout << " 3. doWhile Loop\n";
		cout << "\n";
		cout << " X. Exit\n";
		cout << " ====================================\n";
		cout << " Enter your selection: ";
		cin >> selection;
		cout << endl;

		switch (selection)
		{
		case '1':
			system("cls");
			forLoopExample();
			cout << "\n";
			break;
		case '2':
			system("cls");
			whileLoopExample();
			cout << "\n";
			break;
		case '3':
			system("cls");
			doWhileLoopExample();
			cout << "\n";
			break;
		case 'x':
		case 'X':
			_getch();
			return;
		default: cout << selection << " is not a valid menu item.\n";

			cout << endl;
		}

	} while (selection != 'x' || selection != 'X');
}