public static void printInventoryIter( InventoryObject inventory ) {
    ArrayList<InventoryListObject> inventoryLists;
    Iterator<InventoryListObject>  inventoryListObjects;
    InventoryListObject            inventoryListObject;
    ArrayList<InventoryItemObject> inventoryItemLists;
    Iterator<InventoryItemObject>  inventoryItemListObjects;
    InventoryItemObject            inventoryItemObject;

    inventoryLists = inventory.getInventorysLists();
    inventoryListObjects = inventoryLists.iterator();
    while ( inventoryListObjects.hasNext() ) {

      inventoryListObject = (InventoryListObject) inventoryListObjects.next();
      if ( inventoryListObject != null ) {
        //System.out.println( "List Name: " + inventoryListObject.getListName() );            // DEV println
        inventoryItemLists = inventoryListObject.getInventorysItems();
        inventoryItemListObjects = inventoryItemLists.iterator();
        while ( inventoryItemListObjects.hasNext() ) {

          inventoryItemObject = inventoryItemListObjects.next();
          if ( inventoryItemObject != null ) {

            //System.out.println( "List Name: " + inventoryListObject.getListName() +
            //                    " : Item: " + inventoryItemObject.getItemName() +
            //                    " : Id  : " + inventoryItemObject.getItemId() ); // DEV println

          } // if

        } // while

      } // if

    } // while

  } // printInventoryIter ------------------------------------------------------