import java.util.List;  import javafx.application.Application; import javafx.geometry.Insets; import javafx.scene.Group; import javafx.scene.Scene; import javafx.scene.effect.SepiaTone; import javafx.scene.image.Image; import javafx.scene.image.ImageView; import javafx.scene.layout.GridPane; import javafx.scene.layout.HBox; import javafx.scene.paint.Color; import javafx.stage.Stage;  public class Main extends Application {      public static void main(String[] args) {         Application.launch(args);     }          @Override     public void start(Stage primaryStage) {         primaryStage.setTitle("Title");                  final Parameters params = getParameters();         final List<String> parameters = params.getRaw();         final String imageUrl = !parameters.isEmpty() ? parameters.get(0) : "";                  primaryStage.show();     } }