This interface encapsulates a listener for a data model. The data model is be
part of a model-view-controller architecture. Typically, a class that is
serving as a view would implement this interface, so that it could update
itself whenever the model changes.
Method that is invoked when this listener wishes to respond or to react
to a change that originated in whichever object this listener is
listening to.
Method Detail
changed
void changed()
Method that is invoked when this listener wishes to respond or to react
to a change that originated in whichever object this listener is
listening to. In this version of the listener, the interface stipulates
precisely what this object is.