Posted by aryehof on Jun 13, 2017; 6:29am
URL: https://forum.world.st/Wiring-objects-IoC-and-Service-Locator-tp4949280p4951174.html

Consider that in Java, one can only achieve polymorphic behavior across objects by using interfaces or inheritance.  In Smalltalk one can achieve polymorphic behavior across objects just by having them understand the same message.

The need to have complex schemes for the wiring of objects in Java is a consequence of this.