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In programs, an immutable collection birey be used with less copying—we do hamiş need to worry about it being modified. This can make programs simpler and easier to reason about.

Example. In this izlence, a list of ints is created, and then the ReadOnlyCollection constructor is used with that List kakım an argument. Inside the ReadOnlyCollection constructor, a reference to the argument is stored kakım an IList reference field.

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Emanet you arrange 25 whole numbers (hamiş necessarily all different) so that the sum of any three successive terms is even but the sum of all 25 is odd?

Kakım per the comments below, you hayat prevent the possibility of downcasting by making IWriteableMyItem and WriteableMyItem private or internal. However note that this could still be circumvented via reflection - but we are protecting against accidents rather than fraud.

Koleksiyonların Yapısal Hakkındalaştırması: IStructuralEquatable arabirimi, özellikle diziler ve koleksiyonlar gibi strüktürel muta örgülarının hakkındalaştırılması C# ReadOnlyCollectionBase Nerelerde Kullanılıyor bâtınin kullanılır.

instead. I just included IWritableMyItem for completeness (because it shows how you C# ReadOnlyCollectionBase Nedir introduce a grup to an interface property that only özgü a get, by using new).

Bu yüzden her bir koleksiyonun performansını ve nerede kullanılması icap ettiğini oflaz bilmek gerekir. Makalemizin C# ReadOnlyCollectionBase Nerelerde Kullanılıyor son kısmında, bütün koleksiyonlar tasarruf fakatçları sinein gruplandırılmış olup süflidaki test koduyla ayrı ayrı performans testleri yapılmıştır.

IDictionary tabanlı nesnelerin nasıl sıralama yaptığı ile alakalı şu kodu yazarak bir sınav yaparsak:

ICollection is such abstraction and you could say that ICollection does not have an exact corresponding peer in the generic world; IEnumerable is the closest.

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Average(IEnumerable, Func) Computes the average C# ReadOnlyCollectionBase Nedir of a sequence of nullable Single values that are obtained by invoking a transform function on each element of the input sequence.

Sum(IEnumerable, Func) Computes the sum of the sequence of nullable Decimal values that are obtained by invoking a transform function on C# ReadOnlyCollectionBase Nedir each element of the input sequence.