jfxrt.jar missing from openjdk 8 installation, resulting in failure to run MnistClassifier

[chiaweilim]

Installation of oracle java jdk 8 comes with jfxrt.jar, so no issue.

As oracle installation required sign up and login, some might opt for option openjdk 8 , which missing of jfxrt.jar.
Hence missing in SwingFXUtils dependency in running MnistClassifier.java

Environment : Windows

How to reproduce:

1. Download openjdk 8
2. Run TrainingLabs and you should see the error happened as in the screenshot

Solution:
Use openjfx (Find the workaround, update the repo and readme)
https://gluonhq.com/products/javafx/

Tutorial to refer: https://developer.tizen.org/development/articles/openjdk-and-openjfx-installation-guide

[chooneung]

solution 1: install Oracle Java JDK 1.8

solution 2: Use intellij to install the BellSoft Liberica JDK 1.8
setup_guide may refer to IntelliJ & Java 1.8 section: https://docs.google.com/presentation/d/1ny61AjLI8yhJqkjV0AEYDq4vZ7hAnccaJzP4UgfHtpc/edit?usp=sharing