HW18: Chapter 18

(18.4) Define an interface specification for the Currency Converter and Check credit rating services shown in Figure 18.7.

HW17: Chapter 16

(16.9) Design the interfaces of components that might be used in a system for an emergency control room. You should design interfaces for a call-logging component that records calls made, and a vehicle discovery component that, given a post code (zip code) and an incident type, finds the nearest suitable vehicle to be dispatched to the incident.