Açıklaması C# IList Nasıl Kullanılır Hakkında 5 Basit Tablolar

Açıklaması C# IList Nasıl Kullanılır Hakkında 5 Basit Tablolar

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I know there has been a lot of posts on this but it still confuses me why should you pass in an interface like IList and return an interface like IList back instead of the concrete list.

From this it follows that your method implementation gönül represent its local variables however you wish. The implementation details are hamiş exposed. Leaving you free to change your code to something better without affecting the people calling your code.

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Then click on the bulb symbol or place the cursor on the IList and press Strg + "." You will become several implementations offered, like:

IList is a interface and doesn't have any implementation, so the performance of IList depending the class it implements

The Liskov Substitution Principle (simplified) states that a derived type should be able to be used in place of a base type, with no additional preconditions or postconditions.

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, bey shown above.

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It really comes down to the kind of functionality you need. I'd 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 like to encapsulate within a collection so you don't repeat yourself, but still want .Kupkuru to recognize it C# IList Kullanımı bey a list.

Obviously if you are being asked which you use in an interview, you say IList, smile, and both look pleased at yourselves for C# IList Nedir being so clever. Or for a public facing API, IList. Hopefully you get my point.

Brad LeachBrad Leach 17k1818 gold badges7373 silver badges8888 bronze badges C# IList Neden Kullanmalıyız 1 3 It will create a new enumerable, which may C# IList Nerelerde Kullanılıyor not be desirable in some scenarios. You cannot sort an IList in-place through the interface C# IList Neden Kullanmalıyız except by using ArrayList.Adapter method in my knowledge.

If you're just enumerating over the values, you should be using IEnumerable. Every type of datatype that yaşama hold more than one value implements IEnumerable (or should) and makes your method hugely flexible.

There is a complication though that dynamic dirilik't see explicit implementations, so something hayat implement IList and IList-of-T and yet still be completely unusable from dynamic.