ZCW-MesoLabs-Inheritance-ProductManager-BlueJ/Inventory.java

import java.util.*;

/**
 * Write a description of class Inventory here.
 *
 * @author (your name)
 * @version (a version number or a date)
 */
public class Inventory
{
    List<Product> productList = new ArrayList<Product>();
    
    public void addProductToInventory(Product product)
    {
        productList.add(product);
    }
    
    public Product[] getInventory(){
        return this.productList.toArray(new Product[productList.size()]);
    }
    
    public double sumInventoryValue(){
        double sum = 0;
        for (Product p : this.productList){
            sum += p.getPrice()*p.getQuantity();
        }
        return sum;
    }
}