Footnotes
Chapter 1
[1] If you are new to Ruby, don’t fret: The code in this chapter is very, very basic, and the next chapter offers a reasonably full introduction to the language. So just sit back for the next few pages and try to hum along.
[2] The Ruby language does support modules, which bear a “first cousin” relationship to Java interfaces. We will have a lot more to say about Ruby modules in Chapter 2.
[3] Of course, I have just barely made the faintest of scratches on the surface of this huge and interesting topic. Take a look at Appendix B, Digging Deeper, to learn more.
Chapter 2
[1] Thankfully, the Pokemon craze has abated a bit since then.
[2] See Appendix A if you need guidance in installing Ruby on your system.
[3] In fact, for ...
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