Congratulations! You're off to a great start. You have a running JBoss AS with JBoss ESB installed. Application servers are very cool things. But, what makes them even more cool is that they are the vehicle on which you can build and run your own applications and servers.

In the next chapter, we'll take a close look at what a running service looks like and how you can start to build your own. Can you say "helloworld"?