Superclass for all readonly properties wrapping an arbitrary Object.
For specialized implementations for ObservableList, ObservableSet and
ObservableMap that also report changes inside the collections, see
ReadOnlyListProperty, ReadOnlySetProperty and ReadOnlyMapProperty, respectively.
extends
<T>
| the type of the wrapped Object |
javafx.beans.value.ObservableObjectValue, javafx.beans.binding.ObjectExpression, ReadOnlyProperty