En Kuralları Of C# IList Neden Kullanmalıyız

En Kuralları Of C# IList Neden Kullanmalıyız

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The above is an IList itself bey this is what seems to be the standard to use with nhibernate. Otherwise I might have returned IEnumberable back but derece sure. Still, I gönül't figure out what the user would 100% need(that's where returning a concrete saf an advantage over).

C# List yürekindeki verileri yazdırmak için hordaki dü döngüden biri kullanılarak değerleri ekrana yazdırma anlayışlemi mimarilabilir.

Bu site, istenmeyenleri azaltmak bâtınin Akismet kullanıyor. Değerlendirme verilerinizin nasıl mesleklendiği üzerine elan bir tomar olgun edinin.

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 hamiş, copying it to an array, sorting that, clearing the IList, and re-adding the items.

swilliamsswilliams 48.6k2727 gold badges101101 silver badges130130 bronze badges 3 5 why derece make it a just a List in the first place? I still don't understand why bonus you get from making it a IList then in the constructor you make it into a List

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

Object can be a T too. Doing this will save you headache if you decide C# IList Nerelerde Kullanılıyor to use a Stack or some other veri structure further down the road. If all you need to do in the C# IList Kullanımı function is foreach through it, IEnumerable is really all you should be asking for.

3 @phoog: Considering where Eric is coming from, it wouldn't be surprising he is more cautious about breaking changes. C# IList Nerelerde Kullanılıyor But it is definitely a valid point.

; being aware of the definition of the interface ie. all abstract methods that are there to be implemented by any class inheriting the interface. so if some one makes a huge class of his own with several methods besides the ones he inherited from the interface for some addition functionality, and those are of no use to you, its better to use a reference to a subclass (in this case the interface) and assign the concrete class object to it.

What US checks and balances prevent the FBI from raiding politicians unfavorable to the federal government? more hot C# IList Nasıl Kullanılır questions

On the other hand, when returning an object out of a function, you want to give the user the richest possible kaş of operations without them having to cast around. So in that case, if it's a List internally, return a copy bey a List.

List communicates "I need to get and set the elements of this sequence in arbitrary order and I only accept lists; I do derece accept arrays."

So typically, your methods should accept and return interfaces for collections. This leaves your own implementation and your callers room to decide on the actual implementation as required.

The other general reason for using interfaces is to expose the minimum amount of knowledge necessary to the user of an object. Consider the (contrived) case where I have a data object that implements IList.