Java tutorial
import javafx.beans.binding.NumberBinding; import javafx.beans.property.IntegerProperty; import javafx.beans.property.SimpleIntegerProperty; public class Main { public static void main(String[] args) { // Area = width * height IntegerProperty width = new SimpleIntegerProperty(10); IntegerProperty height = new SimpleIntegerProperty(10); NumberBinding area = width.multiply(height); System.out.println(area.getValue()); } }