In this chapter, you will be given a brief introduction to a number of tools that address various problems and solves them in ingenious ways. This chapter can be thought of as an appetizer for you. If any of the tools presented here seem to interest you, I encourage you to feed your curiosity and try to find more about that particular tool. Of course, this piece of advice applies to any information presented in this book. However, this bit of advice holds true particularly for this chapter because I've chosen a more general description for the tools I've presented. I've done this as I've assumed that some of you may not be interested in lengthy descriptions and would only want to focus your interest in the development process, rather than in other areas. For the rest of you who are interested in finding out more about other key areas, please feel free to go through the extensions of information available throughout the chapter.

In this chapter, a more detailed...