You do not know it yet, but this chapter is the chapter you have been waiting for! It is very special for multiple reasons.
First, we will finish the gaming part and you will be able to start playing the Tic-Tac-Toe game. Yes, at last, the whole application will run and you will be able to compete against other users. Very exciting!
Second, you will see how to integrate your applications with other systems and services. This is very important, since applications are no longer isolated silos. Instead, they communicate with each other and continuously exchange data for providing even more value to customers. How do you do that? You provide interoperable Web APIs, which allow for plugging components, sometimes based on completely different technologies, together!
Third, using Web APIs will not only allow you to integrate with other systems; it will also...
