Randomizer to produce random course or maker IDs. Just double click on the .jar file to run the program and you are good to go! Source code included. Requires Java 11 or higher, if you do not have it you can download it here! https://www.oracle.com/java/technologies/downloads/
Still not working or perhaps want to do this on mobile instead? You can run the code yourself in browser at https://www.jdoodle.com/a/4PC3 ! (Random Levels only)