product check out program
ERROR: [Linker error] undefined reference to `FreshFood::FreshFood()'
I dont really know why that error is returned yet everything seems fine to me.Its a program to scan items in a shop.
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class Product
{
private:
long int barCode;
std:: string productName;
public:
Product(){barCode = 00000000000000;
productName = "productName";}
Product (int a , std::string b )
{
barCode = a;
productName = b;
}
int setbarCode(long int a);
int getbarCode(){return barCode;}
void printbarCode();
void scanbarCode();
};
//--------------------------------------------- prepacked food class -----------------------------------
class PrepackedFood : public Product
{
private:
int Package;
double UnitPrice;
public:
PrepackedFood (){};
int setPackage(int p);
int getPackage(){return Package;}
double setUnitPrice(double);
double getUnitPrice()
{
double price, weight, Package;
price=Package*UnitPrice;
return price;
}
};
//----------------------------------------------- fresh food -----------------------------------------------
class FreshFood : public Product
{
private:
double Weight;
double PricePerKg;
public:
FreshFood (){};
double setweight(){return Weight;}
double getWeight();
double getprice()
{
double price, weight, PricePerKg;
price=weight*PricePerKg;
return price;
}
};
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Last edited on
It happens because constructor is declared but not implemented. You could delete line 52 or change
FreshFood ();
into
FreshFood (){ }
I did so, however there was no change!
maybe your program just need a main() function?
and delete the ";" in line 45/52
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