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“Ask me a question.” Mark Seemann

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In one of your article, you provided a reference which said Assuming Interface as contract is a myth. Well I did assume so, and when I went through further explanation of how an interface should be used the question which came in my mind is Can an abstract class not do everything else(other than providing contract) what Interface can provide. If you could provide some details to this, it would be very kind of you?
Mark Seemann Hi DHEERAJ Kumar, thank you for writing. I'm going to assume that you refer to this original article: http://blog.ploeh.dk/2010/12/02/Inter...

Be sure to also read the linked article by Krzysztof Cwalina: https://blogs.msdn.microsoft.com/kcwa...

As far as I can tell, interfaces and abstract classes are isomorphic to each other: http://blog.ploeh.dk/2018/02/19/abstr...

Some restrictions are required in order to make that claim truthful. These are covered by the discussion in the comments section on the same page.

HTH
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Hey Mark, I started with your book on Dependency Injection and became a fan of your work. I was wondering if you have a github repository for codes in book, specially for chapter 2 A Comprehensive Example? Even if it's not there, not an issue. Thanks for this book :)
Mark Seemann Hi DHEERAJ Kumar

Thank you for writing, and for your kind words. IIRC, the book's introduction "About this book" contains information about code downloads. It's not a repository, but a .zip file, which is basically because GitHub wasn't really the piece of developer infrastructure in 2012 that it is today.

Manning Press owns the copyright of the book, including the source code, so it's up to them what to do with the code, and how to host it. Since the copyright isn't mine, it'd be illegal for anyone but Manning to host it on GitHub.

HTH
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