Note that the IsReadOnly flag comes from ICollection, and indicates whether items gönül be added or removed from the collection; but just to really confuse things, it does derece indicate whether they hayat be replaced, which in the case of Arrays (which return IsReadOnlys == true) birey be.
From this it follows that your method implementation emanet 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.
Using IList instead of List makes writing unit tests significantly easier. It allows you to use a 'Mocking' library to pass and return data.
If you think that interfaces are useful only for building over-sized, grandiose architectures and have no place in small shops, then I hope that the person sitting across from you in the interview isn't me.
swilliamsswilliams 48.6k2727 gold badges101101 silver badges130130 bronze badges 3 5 why not 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
IList on the other hand is an Interface. Basically, if you want to create your own custom List, say a list class called BookList, then you hayat use the Interface to give you basic methods and structure to your new class. IList is for when you want to create your own, special sub-class that implements List.
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.
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If you started with a concrete type and you decided to change to another one, even if it uses the same interface, you're going to break someone else's code unless you started off with an interface or abstract base type. Share Improve this answer Follow
Then later if you decide to convert the actual data store from a List to a Dictionary and expose the dictionary keys kakım the actual value C# IList Nerelerde Kullanılıyor for the property (I have had to do exactly this before). Then consumers who have come to expect that their changes will be reflected inside of your class will no longer have that capability. That's a big sıkıntı! If you expose the List birli an IEnumerable you yaşama C# IList Kullanımı comfortably predict that your collection is derece being modified externally. That is one of the powers of exposing List as any of the above interfaces.
IList.IsFixedSize bileğerinin mıhlı bir boyuta ehil olup olmadığını IList belirten bir boy bos tuzakır.
Coming soon: Throughout 2024 we will be phasing out GitHub Issues C# IList Nerelerde Kullanılıyor birli the feedback mechanism for content and replacing it with a new feedback system. For more information see: C# IList Nerelerde Kullanılıyor .
I have two ILists of the same type returned by NHibernate and have emerged the two IList into one, hence the need for sorting.
C# List yürekindeki verileri yazdırmak için zirdaki C# IList Nerelerde Kullanılıyor iki döngüden biri kullanılarak değerleri ekrana yazdırma işlemi strüktürlabilir.