On Thursday, 10 March 2016 at 18:08:15 UTC, Eugene Wissner wrote:
Why not just extend the HelloWorld class and override the hello()? Imagine you write an apllication that should support plugins. And two independent plugins extend the HelloWorld. One plugin would conflict with the another. EventDispatcher make it possible to register the events that can be used by application plugins.
How about something like MEF?