Introduction - Expert web-developer PHP (ZCE) / Python ...

Feb 08, 2006 · Python, a dynamic language, supports plug-points and abstract classes in a different way than Java does. In Python, the simplest way to implement a plug-point is to define a method that does nothing but raise an exception. If the method isn't over-ridden, and a program tries to invoke it, a run-time exception is triggered. ................
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