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Issue 11.6 ('Apple About Boxes')
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Inheritance vs. Interface

Often it's useful to be able to treat different types of objects in the same way.

Issue: 11.6 (November/December 2013)
Author: Seth Verrinder
Author Bio: Seth is a consultant who uses Real Studio every day in his job at BKeeney Software, Inc.
Article Description: No description available.
Article Length (in bytes): 8,484
Starting Page Number: 61
Article Number: 11611
Related Link(s): None

Excerpt of article text...

Inheritance and interfaces are similar in the sense that they both give you a way to define multiple classes that have the same method and then you can use those classes interchangebly in code.

Here's how it works:

dim o1, o2 as Shape

o1 = new Rectangle

o2 = new Circle

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