Disclamer: All the data are derived from https://www.ecdc.europa.eu/sites/default/files/documents/COVID-19-geographic-disbtribution-worldwide.xlsx
The creation tools were the Java 14 and Javafx version 11.0.2.
To build and run you would be fine if you use the gradle wrapper gradlew located in the root folder of the repo. You can build the project with ./gradlew build
and to run ./gradlew run