MyClass.java Source code

Introduction

Here is the source code for MyClass.java

Source

import javafx.beans.InvalidationListener;
import javafx.beans.Observable;
import javafx.beans.binding.Bindings;
import javafx.beans.binding.NumberBinding;
import javafx.beans.property.DoubleProperty;
import javafx.beans.property.SimpleDoubleProperty;

class MyClass {

    private DoubleProperty amountDue = new SimpleDoubleProperty();

    public final double getAmountDue() {
        return amountDue.get();
    }

    public final void setAmountDue(double value) {
        amountDue.set(value);
    }

    public DoubleProperty amountDueProperty() {
        return amountDue;
    }

}

public class Main {

    public static void main(String[] args) {

        MyClass myObject1 = new MyClass();
        MyClass myObject2 = new MyClass();
        MyClass myObject3 = new MyClass();

        NumberBinding total = Bindings.add(myObject1.amountDueProperty().add(myObject2.amountDueProperty()),
                myObject3.amountDueProperty());
        total.addListener(new InvalidationListener() {
            @Override
            public void invalidated(Observable o) {
                System.out.println("The binding is now invalid.");
            }
        });
        myObject1.setAmountDue(200.00);
        myObject2.setAmountDue(100.00);
        myObject3.setAmountDue(75.00);
        System.out.println(total.getValue());
        myObject3.setAmountDue(150.00);
        System.out.println(total.getValue());
    }
}