Master the Design of Classes (Part 3)
Watch the full video: • Master the Design of Classes
We use interfaces to improve expressiveness.
This class is wrapping up a few pieces of information that define a book's release, such as the publisher, the edition, and so on.
There are several ways to represent the book's edition, hence an interface.
The long video explains how this model came to be.
In this video, I only want to point out that we define the interface to support variation in types.
Then, through the process of evolving the model, we let behavior settle in.
Some behavior will naturally fit into the interface, and the idea will be complete.
This interface represents the book's edition. The new method I added supports advancing to the new edition in a polymorphic way.
As I said, watch the long video for more ideas on designing an object model. This example should give you an idea how powerful that can be.
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👨 About Me 👨
Hi, I’m Zoran, I have more than 20 years of experience as a software developer, architect, team lead, and more. I have been programming in C# since its inception in the early 2000s. Since 2017 I have started publishing professional video courses at Pluralsight and Udemy and by this point, there are over 100 hours of the highest-quality videos you can watch on those platforms. On my YouTube channel, you can find shorter video forms focused on clarifying practical issues in coding, design, and architecture of .NET applications.❤️
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