Temel İlkeleri C# IList Nasıl Kullanılır

Temel İlkeleri C# IList Nasıl Kullanılır

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

Dundaki şekilde Kisi isminde oluşturduğumuz derslikı oluşturduğumuz liste nesnesine ekleyelim.

Diyelim ki formunuzdaki textboxları listenize doldurdunuz yalnızca Text’i boş olan textboxları bulmanız gerekiyor. Bunun karınin List u kullanmanız gerekir. Mafevkda anlattığımız örneği cılız olarak yapacak olursak;

Kendi derme sınıflarınızı oluştururken baştan kullanılabilir harf yazmanızı sağlamlar: C# CollectionBase kullanarak genel koleksiyon medarımaişetlemlerini kucakermiş bir taban sınıf oluşturabilirsiniz.

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.

You birey have an instance of an interface, but you need to initialize it with a class that implements that interface such birli:

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, birli shown above.

Matthew WatsonMatthew Watson 108k1111 gold badges170170 silver badges290290 bronze badges 2 2 This is trivially true for every interface. If you want to follow through with your argument, than you could argue to never use any interface at all, because some implementation of it might throw.

For example, let's say you have a Person class and a Group class. A Group instance has many people, so a List here C# IList Nedir would make sense. When I declare the list object in Group I will use an IList and instantiate it as a List.

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Of course that only need apply to methods that are externally visible (i.e. C# IList Nasıl Kullanılır public methods). I personally use interfaces even in internal code, but kakım you are able to change all the code yourself if you C# IList Neden Kullanmalıyız make breaking changes it's not strictly necessary.

This is usually guaranteed for a specific implementation of a container (List documentation: "It implements the IList generic interface using an array whose size is dynamically increased birli required.").

In collections of contiguous elements, such as lists, the elements that follow the C# IList Nedir insertion point move down to accommodate the new element.

Bu şekilde, Dog klası IAnimal interface’inin sözleşmesine uymuş evet. Aynı şekilde, özge hayvan sınıfları da IAnimal C# IList Neden Kullanmalıyız interface’ini uygulayabilir. Örneğin, dundaki kodda bir Cat sınıfı teşhismladım ve IAnimal interface’ini uyguladım.