import javafx.application.Application;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.image.Image;
import javafx.scene.image.ImageView;
import javafx.stage.Stage;

public class GifTest extends Application {

    @Override
    public void start(Stage primaryStage) {
        Image image = new Image(getClass().getResource("fuller.gif").toExternalForm(), true);
        ImageView imageView = new ImageView(image);
        Scene scene = new Scene(new Group(imageView), 600, 736);
        primaryStage.setScene(scene);
        primaryStage.show();
    }
}