Uploaded April 2024 | Updated September 2026, 1 week ago
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Guess the pattern!
I will give you a class - a stripped-down model of a book.
There will also be an interface for goods that can report their weight.
The book will implement this interface.
There are no design patterns here, yet.
But then, there comes another class.
It models a package containing a certain quantity of goods.
The package has a weight of its own.
And it also implements that same interface.
The package will calculate the total weight of goods inside and add its own weight to it.
What pattern is this?
Is it a strategy? A chain of responsibility? Come on!
Maybe. But why implement the interface?
I will instantiate one book and then wrap two into a package.
Did you uncover the answer?
Yes, it is the decorator.
Package decorates the goods. It is the decorator.
Click the link to the long video and learn more.
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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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⚡️COPYRIGHT NOTICE:
The Copyright Laws of the United States recognize a “fair use” of copyrighted content. Section 107 of the U.S. Copyright Act states: “Notwithstanding the provisions of sections 106 and 106A, the fair use of a copyrighted work, including such use by reproduction in copies or phono records or by any other means specified by that section, for purposes such as criticism, comment, news reporting, teaching (including multiple copies for classroom use), scholarship, or research, is not an infringement of copyright." This video and our youtube channel, in general, may contain certain copyrighted works that were not specifically authorized to be used by the copyright holder(s), but which we believe in good faith are protected by federal law and the Fair use doctrine for one or more of the reasons noted above.
#csharp #dotnet #designpatterns
Become a sponsor to access source code ► patreon.com/zoranhorvat
Join Discord server with topics on C# ► codinghelmet.com/go/discord
Enroll course *Beginning Object-Oriented Programming with C#* ► codinghelmet.com/go/beginning-oop-with-csharp
Subscribe ► youtube.com/channel/UCxsWfh8LCcn55mFB6zGBT1g?sub_confirmation=1
Guess the pattern!
I will give you a class - a stripped-down model of a book.
There will also be an interface for goods that can report their weight.
The book will implement this interface.
There are no design patterns here, yet.
But then, there comes another class.
It models a package containing a certain quantity of goods.
The package has a weight of its own.
And it also implements that same interface.
The package will calculate the total weight of goods inside and add its own weight to it.
What pattern is this?
Is it a strategy? A chain of responsibility? Come on!
Maybe. But why implement the interface?
I will instantiate one book and then wrap two into a package.
Did you uncover the answer?
Yes, it is the decorator.
Package decorates the goods. It is the decorator.
Click the link to the long video and learn more.
▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬
👨 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.❤️
▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬▬
⚡️COPYRIGHT NOTICE:
The Copyright Laws of the United States recognize a “fair use” of copyrighted content. Section 107 of the U.S. Copyright Act states: “Notwithstanding the provisions of sections 106 and 106A, the fair use of a copyrighted work, including such use by reproduction in copies or phono records or by any other means specified by that section, for purposes such as criticism, comment, news reporting, teaching (including multiple copies for classroom use), scholarship, or research, is not an infringement of copyright." This video and our youtube channel, in general, may contain certain copyrighted works that were not specifically authorized to be used by the copyright holder(s), but which we believe in good faith are protected by federal law and the Fair use doctrine for one or more of the reasons noted above.
#csharp #dotnet #designpatterns
