Programming Challenge 13.5 - RetailItem Class

Example Files: RetailItem.h
                         RetailItem.cpp

RetailItem.h

/* RetailItem.h - Specification file for the RetailItem class. */

#ifndef RETAILITEM_H
#define RETAILITEM_H

#include <string>

using std::string;

class RetailItem
{
    private:
        string description;        // The item description
        int unitsOnHand;            // The number of units at hand
        double price;                // The item cost

    public:
        // Constructor accepting arguments for each member variable
        RetailItem(string descr, int units, double cost)
        {
            description = descr;
            unitsOnHand = units;
            price = cost;
        }

        // Mutators
        void setDescription(string d)
        { description = d; }

        void setUnitsOnHand(int u)
        { unitsOnHand = u; }

        void setPrice(double c)
        { price = c; }

        // Accessors
        string getDescription() const
        { return description; }

        int getUnitsOnHand() const
        { return unitsOnHand; }

        double getPrice() const
        { return price; }
};
#endif

RetailItem.cpp

/* RetailItem.cpp - This program demonstrates the RetailItem class. */

#include "RetailItem.h"
#include <iomanip>
#include <iostream>
#include <string>

using std::cin;
using std::cout;
using std::setw;
using std::setprecision;
using std::fixed;

void displayItems(RetailItem *, const int);

int main()
{
    const int NUM_ITEMS = 3;
    RetailItem items[NUM_ITEMS] = { { "Jacket", 12, 59.95 },
                                                                { "Designer Jeans", 40, 34.95 },
                                                                { "Shirt", 20, 24.95 } };

    displayItems(items, NUM_ITEMS);

    cin.get();
    return 0;
}

/* **********************************************************
    displayItems (accepts an array of RetailItem objects and
    an integer value holding the number of items as arguments)
    It displays information about the items.
   ********************************************************** */

void displayItems(RetailItem *items, const int NUM_ITEMS)
{
    cout << "\nCYBER CITY NET-BATTLER FASHION STORE\n\n"
         << setw(29) << "Inventory Item"
          << setw(19) << "Units on Hand" << setw(16)
          << setw(13) << "Cost\n";
    cout << "============================================================\n";

    for (int i = 0; i < NUM_ITEMS; i++)
    {
        cout << "ITEM # " << (i + 1) << setw(21) << items[i].getDescription()
                                                        << setw(19) << items[i].getUnitsOnHand()
                                                        << setw(12) << items[i].getPrice() << "\n";
    }
}

Example Output: