JavaFX Fundamentals - Java 8 Recipes - page 550

System.out.println("After - radius for Sphere: "
+ radius.get());
System.out.println("After - volume for Sphere: "
+ volumeOfSphere.get());
}
}
class Contact {
private SimpleStringProperty firstName = new
SimpleStringProperty();
private SimpleStringProperty lastName = new
SimpleStringProperty();
public Contact(String fn, String ln) {
firstName.setValue(fn);
lastName.setValue(ln);
}
public final String getFirstName() {
return firstName.getValue();
}
public StringProperty firstNameProperty() {
return firstName;
}
public final void setFirstName(String firstName) {
this.firstName.setValue(firstName);
}
public final String getLastName() {
return lastName.getValue();
}
public StringProperty lastNameProperty() {
return lastName;