#include <iostream>

using namespace std;

class LineItem
{
    int testValue;
    public:
    LineItem(int t){
        testValue = t;
    }
    LineItem(){
    }
    int getValue(){
        return testValue;
    }
};

class Invoice
{
    private:
        int itemCount = 0;
    public:
        LineItem items[5];
        void addLineItem(LineItem itm){
            items[itemCount++] = itm;
        }
        int getItemCount(){
            return itemCount;
        }
};

int main()
{
    Invoice invoice1;

    for(int i = 0; i < 5; i++){
        LineItem item(i);
        invoice1.addLineItem(item);
    }

    cout << "Item count: " << invoice1.getItemCount() << endl;

    for(int i = 0; i < invoice1.getItemCount(); i++){
        cout << "Line item value: " << invoice1.items[i].getValue() << endl;
    }
    return 0;
}