Apex is a language with a lot of possibilities, but it is too extensive to explain everything in one book. We would copy the whole Apex developer guide for Salesforce!
As I said at the beginning of this book, Salesforce works with the MVC pattern. We've looked at the model (the database), and the controller (our Apex code), so now it is time to learn about the view: Visualforce.
After Visualforce, you will also get an introduction in Lightning components. But first of all, what did you learn during this chapter? Let's take the following quiz to test our new knowledge.