For Compilation javac --module-path "D:\Java FX\openjfx-11.0.2_windows-x64_bin-sdk\javafx-sdk-11.0.2\lib" --add-modules javafx.controls App.java
For Running java --module-path "D:\Java FX\openjfx-11.0.2_windows-x64_bin-sdk\javafx-sdk-11.0.2\lib" --add-modules javafx.controls App
Main Program is in App.java