Cpp > Programs

cpp map example and tutorials

#include <iostream>
#include <string>
#include <map>
using namespace std;

class Product
{
public:
Product():mName("New Product"), mStockLevel(0), mPrice(0) {}
Product(string newName, double newPrice = 0, int newStockLevel = 0):
mName(newName), mPrice(newPrice), mStockLevel(newStockLevel) {}

void SetName(string newName) {mName = newName; }
void SetName(int newStockLevel) {mStockLevel = newStockLevel;}
void SetPrice(double newPrice) {mPrice = newPrice; }

string GetName() const {return mName;}
int GetStockLevel() const {return mStockLevel;}
double GetPrice() const {return mPrice; }

friend ostream& operator<<(ostream& os, Product& p)
{
os << "Product: " << p.mName
<< "\tPrice: " << p.mPrice
<< "\tStock on hand: " << p.mStockLevel;
return os;
}

private:
string mName;
int mStockLevel;
double mPrice;
};

int main()
{
Product Pen("Pen", 5.99, 58);
Product TableLamp("Table Lamp", 28.49, 24);
Product Speaker("Speaker", 24.95, 40);

map<string, Product> productMap;
productMap[Pen.GetName()] = Pen;
productMap[TableLamp.GetName()] = TableLamp;
productMap[Speaker.GetName()] = Speaker;

cout << "Speaker's price is " << productMap["Speaker"].GetPrice() << "\n";
return 0;
}