We hope you've enjoyed the training program as much as we enjoyed writing it for you. Please note, this training program was designed to quickly speed you through the basics of Apex and probbably only goes through 30% of what Apex is actually capable of. You may view full information on all details of Apex via the Developer Documentation or the Reference Manual.
If you ever have any questions or need any assistance, please don't hesitate to post on the /r/apexpl sub on Reddit, and you will receive a prompt and helpful response. Thank you for taking the time to go through the training program, and we appreciate it.