During Oracle OpenWorld 2015 and JavaOne 2015, two hands on lab sessions were held as introductory workshops for Oracle JET.
Attendance was good, as can be seen below for the first of the labs, which was completely full:
The lab instructions can be found here, so anyone can follow it in exactly the same way as was done in the photo above:
It teaches you how to get started with Oracle JET using NetBeans IDE 8.1. At the end of the lab, you have learned how to set up an Oracle JET application, as well as how to use the Oracle JET Cookbook: