December 2016
Intermediate to advanced
560 pages
13h 4m
English
Content preview from Mastering C# and .NET FrameworkBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Liskov Substitution principle
Let's remember this definition: subtypes must be substitutable for their base types. This means that this should happen without breaking the execution or losing any other kind of functionality.
You'll notice that this idea lies behind the basic principles of inheritance in the OOP programming paradigm.
If you have a method that requires an argument of the Person type (let's put it that way), you can pass an instance of another class (Employee, Provider, and so on) as long as these instances inherit from Person.
This is one of the main advantages of well-designed OOP languages, and the most popular and accepted languages support this characteristic.
Back to the code again
Let's take a look at the support inside our sample, ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.