Basic HTML version of Foils prepared 5 August 97

Foil 19 EventOutObserver interface in EAI - I

From VRML97 Scripting: Java Nodes and External Authoring Interface UC Web Applications Certificate -- July 24 1997. by Wojtek Furmanski and Balaji Natarajan
To receive an eventOut notification,applet implements the EventOutObserver interface - implementing the callback method.
An instance of the eventoutobserver is passed to the advise() method of EventOut.
Whenever an event is generated,for that eventOut the callback() method is executed and passed the value and timestamp of the event.

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