Java tutorial
import javafx.beans.property.DoubleProperty; import javafx.beans.property.ReadOnlyProperty; import javafx.beans.property.ReadOnlyStringProperty; import javafx.beans.property.ReadOnlyStringWrapper; import javafx.beans.property.SimpleDoubleProperty; import javafx.beans.property.SimpleStringProperty; import javafx.beans.property.StringProperty; class Book { private StringProperty title = new SimpleStringProperty(this, "title", "Unknown"); private DoubleProperty price = new SimpleDoubleProperty(this, "price", 0.0); private ReadOnlyStringWrapper ISBN = new ReadOnlyStringWrapper(this, "ISBN", "Unknown"); public Book() { } public Book(String title, double price, String ISBN) { this.title.set(title); this.price.set(price); this.ISBN.set(ISBN); } public final String getTitle() { return title.get(); } public final void setTitle(String title) { this.title.set(title); } public final StringProperty titleProperty() { return title; } public final double getprice() { return price.get(); } public final void setPrice(double price) { this.price.set(price); } public final DoubleProperty priceProperty() { return price; } public final String getISBN() { return ISBN.get(); } public final ReadOnlyStringProperty ISBNProperty() { return ISBN.getReadOnlyProperty(); } } public class Main { public static void main(String[] args) { Book book = new Book("Java", 9.99, "9999999999"); printDetails(book.titleProperty()); printDetails(book.priceProperty()); printDetails(book.ISBNProperty()); book.setTitle("Java 8.0"); book.setPrice(9.49); printDetails(book.titleProperty()); printDetails(book.priceProperty()); printDetails(book.ISBNProperty()); } public static void printDetails(ReadOnlyProperty<?> p) { String name = p.getName(); Object value = p.getValue(); Object bean = p.getBean(); String beanClassName = (bean == null) ? "null" : bean.getClass().getSimpleName(); String propClassName = p.getClass().getSimpleName(); System.out.print(propClassName); System.out.print("[Name:" + name); System.out.print(", Bean Class:" + beanClassName); System.out.println(", Value:" + value + "]"); } }