C# IList Nedir Için Adım Haritaya göre Yeni Adım

C# IList Nedir Için Adım Haritaya göre Yeni Adım

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

Then the person calling the method is free to call it with any veri type that is enumerable. This allows your code to be used in unexpected, but perfectly valid ways.

Bir dahaki sefere yorum yaptığımda kullanılmak üzere etapı, elektronik posta adresimi ve web kent adresimi bu tarayıcıya kaydet.

A List object allows you to create a list, add things to it, remove it, update it, index into it and etc. List is used whenever you just want a generic list where you specify object type in it and that's it.

In the end, you might need to replace an implementation for any reason; performance is just one possibility. Regardless of the reason, using the least-derived type possible will reduce the need for changes in your code when you change the specific run-time type of your objects.

then, say, if you had an array and wished to print their type names to the console, you would first C# IList Nedir have to create a new List and fill it with your types.

In case of using IList, the caller is always guareented things to work, and the implementer is free to change the underlying collection to C# IList Nasıl Kullanılır any alternative concrete implementation of IList

If C# IList Nedir you specify your methods to return an interface that means you are C# IList Neden Kullanmalıyız free to change the exact implementation later on without the consuming method ever knowing.

For example, let's say you have a Person class and a Group class. A Group instance özgü many people, so a List here would make sense. When I declare the list object in Group I will use an IList and instantiate it as a List.

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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 özgü a sequence, they don't need to call ToList on it to satisfy your demand.

Bu örnekte, Student isminde bir sınıf ve StudentCollection isminde CollectionBase dershaneından türeyen özel bir derme klası oluşturduk.

In collections of contiguous elements, such bey lists, the elements C# IList Nasıl Kullanılır that follow the insertion point move down to accommodate the new element.

Encapsulation relies on telling clients kakım little about the implementation of your class as possible. If you return a concrete List, you yaşama't then change to some other better type without forcing all of your clients to re-compile/update.