In Items.java:
The Items class is part of the primer.po package.
The class provides public interfaces for Items and ItemType.
Content in instantiations of this class binds to the XML ComplexTypes Items and its child element ItemType.
Item provides the getItem() method.
ItemType provides methods for:
getPartNum();
setPartNum(String value);
getComment();
setComment(java.lang.String value);
getUSPrice();
setUSPrice(java.math.BigDecimal value);
getProductName();
setProductName(String value);
getShipDate();
setShipDate(java.util.Calendar value);
getQuantity();
setQuantity(java.math.BigInteger value);