Açıklaması C# IList Nasıl Kullanılır Hakkında 5 Basit Tablolar

Açıklaması C# IList Nasıl Kullanılır Hakkında 5 Basit Tablolar

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Note that the IsReadOnly flag comes from ICollection, and indicates whether items birey be added or removed from the collection; but just to really confuse things, it does hamiş indicate whether they emanet be replaced, which in the case of Arrays (which return IsReadOnlys == true) dirilik be.

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Interface’ler karşı henüz çokça bilim yapmak isterseniz, bayağıdaki kaynaklara bakış atabilirsiniz:

Kendi derlem sınıflarınızı oluştururken tekrar kullanılabilir şifre yazmanızı sağlar: C# CollectionBase kullanarak umumi derme kârlemlerini kucakeren bir omurga klas oluşturabilirsiniz.

In this specific case since you're essentially talking about a language construct, derece a custom one it generally won't matter, but say for example that you found List didn't support something you needed.

IList on the other hand is an Interface. Basically, if you want to create your own custom List, say a list class called BookList, then you kişi use the Interface to give you basic methods and structure to your new class. IList is for when you want to create your own, special sub-class that implements List.

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However using a concrete implementation and List on a class that changes, could cause the calling code to need to be changed bey well. This is because a class adhering to IList guarantees a certain behavior that is hamiş guaranteed C# IList Nerelerde Kullanılıyor by a concrete type using List. Also having the power to do something like modify the default implementation of List on a class Implementing IList for say the .Add, .Remove or any other IList method gives the developer a lot

; being aware of the definition of the interface ie. all C# IList Kullanımı abstract methods that are there to be implemented by any class inheriting 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 C# IList Nasıl Kullanılır 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.

It really comes down to the kind of functionality you need. I'd C# IList Neden Kullanmalıyız suggest using the List class in most cases. IList is best for when you need to make a custom array that could have some very specific rules that you'd C# IList Neden Kullanmalıyız like to encapsulate within a collection so you don't repeat yourself, but still want .NET to recognize it bey a list.

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Benefit of using an Interface is that you get to implement your functionality or better yet, the only functionality you require. So, if iteration/enumeration is required only, then there is no need for the Sort, Add methods.

for your return types. This gives your callers the most flexibility in passing in types to your methods and the most opportunities to cast/reuse the return values.

The other general reason for using interfaces is to expose the minimum amount of knowledge necessary to the user of an object. Consider the (contrived) case where I have a data object that implements IList.