Creating an executable file with Launch4J and Java 11

How to build an executable file for a Java 11 GUI application using Launch4J

Before we look at the how perhaps we should ask the question of why.  The aim is to package up our Java application so that we can distribute it to others. We want them to be able to launch the application without having to install anything else.

Therefore, what we are looking to deliver is our Java application along with the Java Runtime Environment and any external libraries required for it to run. To do this will need a few tools:

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