Benim C# IList Neden Kullanmalıyız Başlarken Çalışmak

Benim C# IList Neden Kullanmalıyız Başlarken Çalışmak

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Note that the IsReadOnly flag comes from ICollection, and indicates whether items yaşama be added or removed from the collection; but just to really confuse things, it does not indicate whether they sevimli be replaced, which in the case of Arrays (which return IsReadOnlys == true) gönül be.

Maybe take it into a List of T rather than ArrayList, so that you get type safety and more options for how you implement the comparer.

If someone passes you an Array or a List, your code will work fine if you check the flag every time and have a fallback... But really; who does that?

Eric LippertEric Lippert 656k182182 gold badges1.3k1.3k silver badges2.1k2.1k bronze badges 14 12 How do you know what the caller needs though. For instance I was switching one of my return types to a IList then I well I am probably just going to enumerate over them anyways lets just return an IEnumberable.

The preceeding line of code will work, but you will only have the members of IList available to you instead of the full set from whatever class you initialize.

Architecture Astronauts. The chances you will ever write your own IList that adds anything to the ones already in the .NET framework are so remote that it's theoretical jelly tots reserved for "best practices".

The cost to do this is minimal, why hamiş save yourself the headache later? It's what the interface principle is all about.

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; being aware of the definition of the interface ie. all abstract methods that are there to be implemented by any class inheriting C# IList Nasıl Kullanılır the interface. so if some one makes a huge class of his own with several methods besides the ones he inherited from the interface for some addition functionality, and those are of no use to you, its better to use a reference to a subclass (in this case the interface) and assign the concrete class object to it.

class Kisi string ad; string soyad; public string Ad get return ad; seki ad = value; public string Soyad get return soyad; C# IList Nedir grup C# IList Neden Kullanmalıyız soyad = value;

If you're working within a single method (or even in a single class or assembly in some cases) and no one outside is going to see what you're doing, use the fullness of a List. But if you're interacting with outside code, like when you're returning a list from a method, then you only want to declare the interface without necessarily tying yourself to a specific implementation, especially if you have no control over who compiles against your code afterward.

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This will help if you decide to change the implementation of your class later to use a different concrete class. In that case the users of your library won't need to update their code since the interface doesn't change.

would I run into problems with this? Since could C# IList Kullanımı they not pass in an array(that has a fixed size)? Would it be better maybe for a concrete List?