JShell Courses

Java9 New Features - Learn by coding it
Udemy

First Look: Java 9
LinkedIn Learning

Learning Java using JShell
Udemy

Java 11+ Essential Training
LinkedIn Learning

What's New in Java 9 - Modules and More!
Udemy

Java 9 New Features In Simple Way : JShell, JPMS and More
Udemy

Java 9 - What's New
YouTube

Java - Migrating to 11 in Real App
Devoxx via YouTube

Java 9, 10, 11 - What's New and Why You Should Upgrade
Devoxx via YouTube

Safely Shoot Yourself in the Foot with Java 9
Devoxx via YouTube