Afterword
As you have seen, the Contexts and Dependency Injection API is a deceptively simple yet powerful toolkit that helps you craft maintainable code and large applications. You can also count on the CDI ecosystem for helpful extensions that make your life as a Jakarta EE developer very convenient and productive. You have seen two such extensions—the Eclipse MicroProfile Config API and Apache Delta Spike—that you can immediately start using in your projects.
Whew! What a ride. This book covered all that you need to know to use the CDI API in your own code. It is impossible to cover everything about any given library in a book. However, with what you have learned up to this point, you should have a solid foundation on which you can explore ...