public void touch(int i)
   {
        if( Inventory.checkInventory(wineal.get(i).getName()) > 0)
        {
           System.out.println(wineal.get(i).getName()+" is added to your cart.");
           System.out.println(Inventory.checkInventory(wineal.get(i).getName())+ " items are left in stock"); 
           notifyObservers(wineal.get(i));
        }
        else
        {
            System.out.println(" Sorry!! " + wineal.get(i).getName()+ " can't be added to your cart. They are out of stock!");
        }
   }