JAVA

javafx live date and time

@FXML
public void initialize() {

    Timeline clock = new Timeline(new KeyFrame(Duration.ZERO, e -> {        
        LocalTime currentTime = LocalTime.now();
        time.setText(currentTime.getHour() + ":" + currentTime.getMinute() + ":" + currentTime.getSecond());
    }),
         new KeyFrame(Duration.seconds(1))
    );
    clock.setCycleCount(Animation.INDEFINITE);
    clock.play();
}

javafx live time and date

@FXML
public void initialize() {

    Timeline clock = new Timeline(new KeyFrame(Duration.ZERO, e ->  
         time.setText(LocalDateTime.now().format(DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")))
    ),
         new KeyFrame(Duration.seconds(1))
    );
    clock.setCycleCount(Animation.INDEFINITE);
    clock.play();
}