Mega Code Archive
Overload ostream and istream
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#include <iostream>
#include <cstring>
using namespace std;
class inventory {
char item[40]; // name of item
int onhand; // number on hand
double cost; // cost of item
public:
inventory(char *i, int o, double c)
{
strcpy(item, i);
onhand = o;
cost = c;
}
friend ostream &operator<<(ostream &stream, inventory ob);
friend istream &operator>>(istream &stream, inventory &ob);
};
ostream &operator<<(ostream &stream, inventory ob)
{
stream << ob.item << ": " << ob.onhand;
stream << " on hand at $" << ob.cost << '\n';
return stream;
}
istream &operator>>(istream &stream, inventory &ob)
{
cout << "Enter item name: ";
stream >> ob.item;
cout << "Enter number on hand: ";
stream >> ob.onhand;
cout << "Enter cost: ";
stream >> ob.cost;
return stream;
}
int main()
{
inventory ob("hammer", 4, 12.55);
cout << ob;
cin >> ob;
cout << ob;
return 0;
}
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