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The current sellProduct() function only allows the user two chances to enter enough money to buy the product. Rewrite this function so that it keeps prompting the user until enough money is entered. Build and compile the application with its modified code. The prob I'm having that the compiler gave me 309 error codes.
[ / candyMachine Header File
#include <string>
using namespace std;
class cashRegister
{
public:
int getCurrentBalance() const;
//Function to show the current amount in the cash
//register.
//Postcondition: The value of cashOnHand is returned.
void acceptAmount(int amountIn);
//Function to receive the amount deposited by
//the customer and update the amount in the register.
//Postcondition: cashOnHand = cashOnHand + amountIn;
cashRegister(int cashIn = 500);
//Constructor
//Sets the cash in the register to a specific amount.
//Postcondition: cashOnHand = cashIn;
// If no value is specified when the
// object is declared, the default value
// assigned to cashOnHand is 500.
private:
int cashOnHand; //variable to store the cash
//in the register
}; / ]
[ / dispenserType Header File
#include <string>
#include <iostream>
#include "cashResgister.h"
using namespace std;
class dispenserType
{
public:
int getNoOfItems() const;
//Function to show the number of items in the machine.
//Postcondition: The value of numberOfItems is returned.
int getCost() const;
//Function to show the cost of the item.
//Postcondition: The value of cost is returned.
void makeSale();
//Function to reduce the number of items by 1.
//Postcondition: numberOfItems--;
dispenserType(int setNoOfItems = 50, int setCost = 50);
//Constructor
//Sets the cost and number of items in the dispenser
//to the values specified by the user.
//Postcondition: numberOfItems = setNoOfItems;
// cost = setCost;
// If no value is specified for a
// parameter, then its default value is
// assigned to the corresponding member
// variable.
private:
int numberOfItems; //variable to store the number of
//items in the dispenser
int cost; //variable to store the cost of an item
}; / ]
[ / #include <iostream>
#include "candyMachine.h"
using namespace std;
int cashRegister::getCurrentBalance() const
{
return cashOnHand;
}
void cashRegister::acceptAmount(int amountIn)
{
cashOnHand = cashOnHand + amountIn;
}
cashRegister::cashRegister(int cashIn)
{
if (cashIn >= 0)
cashOnHand = cashIn;
else
cashOnHand = 500;
}
int disspenserType::getNoOfItems() const
{
return numberOfItems;
}
int dispenserType::getCost() const
{
return cost;
}
int dispenserType::makeSale()
{
numberOfItems--;
}
dispenserType::dispenserType(int setNoOfItems, int setCost)
{
if (setNoOfItems >= 0)
numberOfItems = setNoOfItems;
else
numberOfItems = 50;
if (setCost >= 50;
cost = 50;
} / ]
[ / #include <iostream>
#include "candyMachine.h"
using namespace std;
void showSelection();
void sellProduct(dispenserType& product,
cashRegister& pCounter);
int main()
{
cashRegister counter;
dispenserType candy(100, 50);
dispenserType chips(100, 65);
dispenserType gum(75, 45);
dispenserType cookies(100, 85);
int choice; //variable to hold the selection
showSelection();
cin >> choice;
while (choice != 9)
{
switch (choice)
{
case 1:
sellProduct(candy, counter);
break;
case 2:
sellProduct(chips, counter);
break;
case 3:
sellProduct(gum, counter);
break;
case 4:
sellProduct(cookies, counter);
break;
default:
cout << "Invalid selection." << endl;
}//end switch
showSelection();
cin >> choice;
}//end while
return 0;
}//end main
void showSelection()
{
cout << "*** Welcome to Shelly's Candy Shop ***" << endl;
cout << "To select an item, enter " << endl;
cout << "1 for Candy" << endl;
cout << "2 for Chips" << endl;
cout << "3 for Gum" << endl;
cout << "4 for Cookies" << endl;
cout << "9 to exit" << endl;
}//end showSelection
void sellProduct(dispenserType& product,
cashRegister& pCounter)
{
int amount; //variable to hold the amount entered
int amount2; //variable to hold the extra amount needed
if (product.getNoOfItems() > 0) //if the dispenser is not
//empty
{
cout << "Please deposit " << product.getCost()
<< " cents" << endl;
cin >> amount;
if (amount < product.getCost())
{
cout << "Please deposit another "
<< product.getCost()- amount
<< " cents" << endl;
cin >> amount2;
amount = amount + amount2;
}
if (amount >= product.getCost())
{
pCounter.acceptAmount(amount);
product.makeSale();
cout << "Collect your item at the bottom and "
<< "enjoy." << endl;
}
else
cout << "The amount is not enough. "
<< "Collect what you deposited." << endl;
cout << "*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*"
<< endl << endl;
}
else
cout << "Sorry, this item is sold out." << endl;
}//end sellProduct / ]
This post has been edited by ITChief: 22 Apr, 2008 - 10:58 AM
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22 Apr, 2008 - 07:19 AM
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