To run the program from the command line, ensure you are in the working directory where DupRemoverFX.java is stored. Then, in the command line enter:

javac --module-path "Path to your javafx lib folder" --add-modules javafx.controls DupRemoverFX.java

Finally, run:

java --module-path "Path to your javafx lib folder" --add-modules javafx.controls DupRemoverFX

WARNING: Running this program does not move files to your system's trash/recyling bin. These files will be permanantly deleted from your hard drive.