En C# IList Nerelerde Kullanılıyor Sırları

En C# IList Nerelerde Kullanılıyor Sırları

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

IList is an interface so you birey inherit another class and still implement IList while inheriting List prevents you to do so.

Using IList instead of List makes writing unit tests significantly easier. It allows you to use a 'Mocking' library to pass and return data.

Sıfır zir noktaına iye yek boyutlu diziler kendiliğinden olarak uygular IList. Bu, diziler ve gayrı derme türleri beyninde yineleme edinmek muhtevain aynı kodu kullanabilen genel yöntemler oluşturmanıza olanak tanılamar.

The accepted answer by @DavidMills is quite good, but I think it yaşama be improved upon. For one, there is no need to define the ComparisonComparer class when the framework already includes a static method Comparer.Create(Comparison). This method can be used to create an IComparison on the fly.

The speed difference is sufficiently great that in many cases it may be faster to copy a list to an array, sort the array, and copy the list back, than to try to have a sort routine process the C# IList Kullanımı list in place.

List implements IList, and so birey be assigned to the variable. There are also other types C# IList Neden Kullanmalıyız that also implement IList.

 

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You would because defining an IList or an ICollection would open up for other implementations of your interfaces.

Of course that only need apply to methods that are externally visible (i.e. public methods). I personally use interfaces even in internal code, but bey you are able to change all the code yourself if you make breaking changes it's derece strictly necessary.

rajeshrajesh 39133 silver badges22 bronze badges 1 8 Excellent, clear answer, which I marked birli helpful. However, I would add that for most developers, most of the time, the tiny difference in izlence size and performance is derece worth C# IList Neden Kullanmalıyız worrying about: if in doubt, just use a List.

If you use a concrete implementation of list, another implementation of the same list will hamiş be supported by your code.

IEnumerable allows you to iterate through a collection. ICollection builds on this and also allows for adding and removing items. IList also allows for accessing and modifying them at a specific index. By exposing the one that you expect your consumer to work with, C# IList Neden Kullanmalıyız you are free to change your implementation. List happens to implement all three of those interfaces. If you expose your property as a List or even an IList when all you want your consumer to have C# IList Nerelerde Kullanılıyor is the ability to iterate through the collection. Then they could come to depend on the fact that they emanet modify the list.