DisplayCurrentTimeInLabel.java

import java.time.*;
import javafx.animation.*;
import javafx.application.*;
import javafx.scene.*;
import javafx.scene.control.*;
import javafx.scene.layout.*;
import javafx.stage.*;

/**
 *
 * @author Sedrick
 */
public class JavaFXApplication51 extends Application {

    @Override
    public void start(Stage primaryStage)
    {
        Label label = new Label(LocalTime.now().toString());

        StackPane root = new StackPane();
        root.getChildren().add(label);

        Scene scene = new Scene(root, 300, 250);

        primaryStage.setTitle("Hello World!");
        primaryStage.setScene(scene);
        primaryStage.show();

        new AnimationTimer() {
            @Override
            public void handle(long now)
            {
                label.setText(LocalTime.now().toString());
            }
        }.start();
    }

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args)
    {
        launch(args);
    }

}