public class ProductList extends ArrayList<Product>
{
    public void addProduct(Product p)
    {
        this.add(p);
    }
    public void removeProduct(int index)
    {
         this.remove(index);
    }
    public double getTotalPrice()
    {
        double sum = 0;
        for(Product p : this){ sum += p.getPrice(); }
        return sum;
    }
    public void printList()
    {
         for(Product p : this){System.out.println("Name: " + p.getName() + " Price: " + p.getPrice() + " euro.");}
    }
    public void printListWithIndex()
    {
        for(int i=0; i<this.size() ; i++)
        {
            System.out.println(i + ". Name: " + this.get(i).getName() + " Price: " + this.get(i).getPrice() + " euro.");
        }
    }
}