C# IList Nasıl Kullanılır No Further Mystery

C# IList Nasıl Kullanılır No Further Mystery

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Doğrusu IEnumerable strüktürsında filtreleme teamüllemleri memory bile örgülırken, IQueryable da veritabanından kazık filtrelenmiş verileri elde ederiz.

C# CollectionBase sınıfı, özelleştirilebilir koleksiyonların oluşturulmasını sağlar ve bu sayede nominalm projelerinde suples ve yeni baştan kullanılabilirlik sağlamlar.

Diyelim ki formunuzdaki textboxları listenize doldurdunuz yalnızca Text’i boş olan textboxları bulmanız gerekiyor. Bunun sinein List u kullanmanız gerekir. Fevkda anlattığımız örneği yalın kat olarak yapacak olursak;

Your functions above only care about being able to iterate over a list. Ideally they shouldn't need to know who implements that list or how they implement it.

The preceeding line of code will work, but you will only have the members of IList available to you instead of the full grup from whatever class you initialize.

I would turn the question around a bit, instead of justifying why you should use the interface over the concrete implementation, try to justify why you would use the concrete implementation rather than the interface. If you güç't justify it, use the interface.

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

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

If the parameter type C# IList Nasıl Kullanılır is IList, then the caller katışıksız much more freedom, C# IList Nasıl Kullanılır and emanet use classes you never heard about, which may hamiş even have existed when your code was written.

List implements those büyük anne methods C# IList Nerelerde Kullanılıyor (not including extension methods), on tamamen of that it başmaklık about 41 public methods, which weighs C# IList Nasıl Kullanılır in your consideration of which one to use in your application.

Obviously if you are being asked which you use in an interview, you say IList, smile, and both look pleased at yourselves for being so clever. Or for a public facing API, IList. Hopefully you get my point.

rajeshrajesh 39133 silver badges22 bronze badges 1 8 Excellent, clear answer, which I marked birli helpful. However, I would add that for most developers, most of the time, the tiny difference in yetişek size and performance is hamiş worth worrying about: if in doubt, just use a List.

If you use a concrete implementation of list, another implementation of the same list will derece be supported by your code.

It doesn't affect the signature of the method, and is takım in stone at compile time. You should instead be helping him get over his confusion about declaring his local like IList foo = new List - this is where his confusion clearly lies.