Summary

Kitty, Phoebe, and Tom were delighted at their progress. There is no doubt they would continue to refine their software over the coming weeks to make the system product-ready. They managed to get a lot done in a short time because they planned their software by designing first and implementing second.

You might have noticed a huge gap between the project proposed and what was delivered. We only worked on the Plano Wheelchair because the team decided this chair represented the minimum viable product. Neither the Maverick nor the flagship product, the Texas Tank, were built in this chapter. I left this as a challenge for you. Practice what you’ve learned and try implementing the Maverick and powered chair diagrams on your own.

We also saw a lot of interplay between patterns. The Builder was leveraged in conjunction with the Bridge, Singleton, and Composite patterns. This resulted in all the complexity being handled in one place. When these patterns were introduced...