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Matteo Giacometti

Joined: May 17, 2001
Posts: 1
What's the difference (with a simple example code, please) between Abstract Class and Interface?
Peter Guillebaud
Ranch Hand

Joined: Jul 11, 2001
Posts: 57
Hi, I'm not too sure about this either but I think that the abstract class can include fully defined methods whereas an interface cannot. The interface just lists the method names and signatures that the subclasses must implement.
Johannes de Jong

Joined: Jan 27, 2001
Posts: 5089
Have a look at
I’ve looked at a lot of different solutions, and in my humble opinion Aspose is the way to go. Here’s the link:
subject: Interface
It's not a secret anymore!