Specifications

Sun Services
Java™ Programming Language Module 7, slide 27 of 44
Copyright 2005 Sun Microsystems, Inc. All Rights Reserved. Sun Services, Revision F
Abstract Classes
The design of the Shipping system looks like this:
Vehicle
RiverBarge
Truck
Company
fleet
0..*
shipping
domain
ShippingMain
«Uses»
FuelNeedsReport
«Uses»
reports