Düşünceler Hakkında Bilmek C# IList Nedir

Düşünceler Hakkında Bilmek C# IList Nedir

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You cannot predict the future. Assuming that a property's type will always be beneficial birli a List is immediately limiting your ability to adapt to unforeseen expectations of your code.

Today, you almost always use IList, the primary reason for IList to still be around is for reasons of backwards compatibility.

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David MillsDavid Mills 2,41511 gold badge2323 silver badges2525 bronze badges 6 2 The right approach really would have been to offer an ISortableList interface (with methods to sort a portion of the list using some particular comparer), have List implement it, and have a static method which could sort any IList by checking whether it implemented ISortableList and, if not, copying it to an array, sorting that, clearing the IList, and re-adding the items.

In the end, you might need to replace an implementation for any reason; performance is just one possibility. Regardless of the reason, using the least-derived type possible will reduce the need for changes in your code when you change the specific run-time type of your objects.

so its safety for you and freedom to the coder who is writing concrete C# IList Nasıl Kullanılır implementation to change or add more functionality to his concrete class.

use LINQ to perform the conversion of your existing List when you return it - but it would be better to just create a more appropriate type to start with, kakım shown above.

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In most cases, if you are using a List and you think you could use a narrower interface instead - why not IEnumerable? This is often a better fit if you don't need to add items. If you need to add to the C# IList Neden Kullanmalıyız collection, use the concrete type, List.

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I know C# IList Nedir that IList is the interface and List is the concrete type but I still don't know when to use each one. What I'm doing now is if I don't need the Sort or FindAll methods I use the interface. Am I right? Is there a better C# IList Nerelerde Kullanılıyor way to decide when to use the interface or the concrete type?

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

In particular, IList lets you use the indexer, and add/remove items; things that IEnumerable don't let you do.

Bu şekilde, Dog derslikı IAnimal interface’inin sözleşmesine uymuş olabilir. Aynı şekilde, sair hayvan sınıfları da IAnimal interface’ini uygulayabilir. Örneğin, kötüdaki kodda bir Cat klası teşhismladım ve IAnimal interface’ini uyguladım.