How to install and use Java 11 and JavaFX 11 on Raspberry Pi boards with ARMv6 processor

In a previous post "Installing Java and JavaFX on the Raspberry Pi", you can read how to install BellSoft LibericaJDK to be able to run JavaFX applications with a graphical user interface on a Raspberry Pi with ARMv7 or ARMv8 processor. But this won'...