A classic example is a User component and then a Manager component that extends User -- Manager is a User.
Actually that's a rather poor example... "Manager" is-a role and "User" has-a role... So the more "classic" example is actually:
User contains a reference to a Role object
Manager extends RoleSean A Corfield -- http://www.corfield.org/blog/
"If you're not annoying somebody, you're not really alive." -- Margaret Atwood
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