import javafx.application.Application;
import javafx.stage.Stage;
import javafx.scene.Scene;
import javafx.scene.Parent;
import javafx.fxml.FXMLLoader;

public class Fxml1 extends Application 
{
    @Override
    public void start(Stage win) throws Exception 
    {
        Parent screen = FXMLLoader.load(getClass().getResource("/Fxml1.fxml"));

        Scene scene = new Scene(screen, 300, 150);
        win.setScene(scene);
        win.show();
    }

    public static void main(String[] args) {
        launch(args);
    }
}