javac --module-path "c:\Program Files\Java\javafx-sdk-18.0.1\lib" --add-modules javafx.controls,javafx.fxml *.java
java --module-path "c:\Program Files\Java\javafx-sdk-18.0.1\lib" --add-modules javafx.controls,javafx.fxml Painter
Download JavaFX: https://openjfx.io/
[may be an ok place to download from: verify yourself. https://gluonhq.com/products/javafx/]
Source/Oracle: https://www.oracle.com/downloads/
Ref: https://stackoverflow.com/questions/62129569/how-to-run-javafx-application-from-command-line
