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Paul B (1) [Avatar] Offline
First off, let me say this is one of the best SW books that I have ever read - I find it interesting, informative, and usually easy to read).

What is your publication date?

I'm on my second reading, and I am still having problems understanding the latter parts of Chapter 3.

In listing 3.21, I think the constructors are incorrect, and S/B HostImpl and SymbioteImpl instead of Host and Symbiote. This caused some confusion as I digested the example (if it's correct, and my compiler says it isn't), then a note might be handy.

In Section 3.3.5, you say While Granny's dependencies don't change at all, she can still get red or green apples without ever knowing anything about RedApple or GreenApple.

However, the code sample clearly shows Granny calling buildRedApple() and buildGreenApple(), which implies some coupling to me.