5 Basit Teknikleri için C# IList Nedir

5 Basit Teknikleri için C# IList Nedir

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Arec BarrwinArec Barrwin 61.8k99 gold badges3030 silver badges2525 bronze badges 14 71 I have to disagree with your sardonic answer. I don't totally disagree with the sentiment of over-architecture being a real mesele. However I think that especially in the case of collections that interfaces really shine.

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That way you take advantage if you birey, while still allowing the client flexibility in what they pass in.

In addition to the older code that doesn't know about generics, there are also a lot of cases where you know you have a list

List is a specific implementation of IList, which is a container that birey be addressed the same way birli a linear array T[] using an integer index. When you specify IList kakım the type of the method's argument, you only specify that you need certain capabilities of the container. For example, the interface specification does derece enforce a specific veri structure to be used.

The class name List may be changed in next .kemiksiz framework but the interface is never going to change bey interface is contract.

IList is an Interface, not a class. If you want C# IList Nedir to initialize it, you need to initialize it C# IList Nerelerde Kullanılıyor to a class that implements IList, depending on your specific needs internally. Usually, IList is initialized with a List.

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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 C# IList Neden Kullanmalıyız 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 .Safi to recognize it as a list.

By asking for more than you need, you (1) make the caller do unnecessary work to satisfy your unnecessary demands, and (2) communicate falsehoods to the reader. Ask only for what you're going to use. That way if the caller saf a sequence, they don't need to call ToList on it to satisfy your demand.

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

I have two ILists of the same type returned by NHibernate and have emerged the two IList into one, hence the need for sorting.

For instance, if you return an IEnumerable, then you are limiting them to iterating -- they sevimli't add or remove items from your object, they can only act against the objects. If you need to expose C# IList Nedir a collection outside of a class, but don't want to let the caller change the collection, this is one way of doing it. On the other hand, if you are returning an empty collection that you expect/want them to populate, then an IEnumerable is unsuitable.