The steps are shown here:
- Visit Google APIs Console (you have to login with your Google account).
- Create a new API Project.
- Enter the name to your project.
- Enable the Google Maps API V3.
- Accept these terms.
- Make sure to select the Project in the left, and select API Access, you can copy the API Key to your application.
- Embed Google Maps API v3 in JavaFX WebView.