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

import java.util.*;
public class Inventry
{
    private ArrayList<Product> products;
    private int totalQuantity;
    public Inventry(ArrayList<Product> products){
        this.products = products;
    }
    
    public ArrayList<Product> getInventry(){
        return products;
    }
    
    public void addToInventry(Product product){
        products.add(product);
        totalQuantity += product.getQuantity();
    }
    
    public void removeFromInventry(Product product){
        products.remove(product);
        totalQuantity -= product.getQuantity();
    }
    
    public int getSize(){
        return products.size();
    }
    
    public int getTotalQuantity(){
        return totalQuantity;
    }
}