C# abstract classes and methods in 8 minutes

🔥 ABSTRACT Classes and Methods are a thing in C#? And what even are they? What does abstract even mean in this context? Well let us find out!
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Timestamps:
00:00 Introduction
00:20 What does abstract mean in C#?
01:54 Let us set up something a bit abstract
04:30 This one is for you!
04:58 Is there anything else? Oh YES there is!
07:48 Thanks for watching!
C# abstract classes and methods in 8 minutes
So, what is C#?
C# (pronounced "See Sharp") is a modern, object-oriented, and type-safe programming language. C# enables developers to build many types of secure and robust applications that run in .NET. C# has its roots in the C family of languages and will be immediately familiar to C, C++, Java, and JavaScript programmers. This tour provides an overview of the major components of the language in C# 8 and earlier. If you want to explore the language through interactive examples, try the introduction to C# tutorials.
C# is an object-oriented, component-oriented programming language. C# provides language constructs to directly support these concepts, making C# a natural language in which to create and use software components. Since its origin, C# has added features to support new workloads and emerging software design practices. At its core, C# is an object-oriented language. You define types and their behavior.
And what is abstract?
The abstract modifier indicates that the thing being modified has a missing or incomplete implementation. The abstract modifier can be used with classes, methods, properties, indexers, and events. Use the abstract modifier in a class declaration to indicate that a class is intended only to be a base class of other classes, not instantiated on its own. Members marked as abstract must be implemented by non-abstract classes that derive from the abstract class.
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[@tutorialsEUC]

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[@Drougar108]

Thank you i had 4 hours of sleep and i needed to get some more abstact and interface info into my brain, and as it is this weeks class subject and im trying to cram it in there.

[@sanjaytharan622]

This one is a saver!!!
Thanks alot❤

[@fakeITDevTeam]

Clarly explained. Thank you. Anyway, is this channel still active or do you move to the tutorialseu?

[@technocrazy9528]

At ua-cam.com/video/qgU2ojOKLP8/v-deo.html you say that in an abstract class we can always use virtual so even if Animal is not implementing the IAnimal interface, we can still use virtual on a method to have some default behaviour and the derived classes Dog and Cat do not have to implement MakeSound, they could implement it. But if we want to say that they have to implement it, then we have to make sure Animal implements IAnimal Interface. But with this too, if we have virtual MakeSound method in Animal class with default implementation, the derived classes work even without implementing MakeSound(). Why is this?

[@imranjalali]

I think there is no need to define string as nullable object because it is already null by default if no value if given.

[@WorstDeveloper]

Why would you use abstract classes instead of interfaces?

[@iamdev1195]

for direct usage :
for eg -
Math m = new Math ();
var r = m.round(3.12); // this does not make sense
that is why we directly use the function like - abstraction
Math.Round(3.12);