C# IList Neden Kullanmalıyız Seçenekler

C# IList Neden Kullanmalıyız Seçenekler

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Arraylist: Hareketli boyutludur, eleman ekleme/silme mesleklemleri daha kolaydır ve farklı muta türlerini saklayabilir.

But far more importantly, if you are accepting an IList kakım a parameter you'd better be careful, because IList and List do derece behave the same way. Despite the similarity in name, and despite sharing an interface

Also, it casts IList to IList which katışıksız the potential to be dangerous. In most cases that I have seen, List which implements IList is used behind the scenes to implement IList, but this is not guaranteed and güç lead to brittle code.

Bearing this in mind, it makes most sense to pass types with the least number of external dependencies possible and to return the same. However, this could be different depending on the visibility of your methods and their signatures.

Basically, I need to see some actual code examples of how using IList would have solved some sıkıntı over just taking List into everything.

In some code this dirilik be quite important and using concrete classes communicates your intent, your need for that specific class. An interface on the other hand says "I just need to call this set of methods, no other contract implied."

 

Ask those people what they'd like the methods to return. Your question is fundamentally "how do I know what software to write?" You know by getting to know what problems your customer özgü to solve, and writing C# IList Nerelerde Kullanılıyor code that solves their problems.

This example also tells you that there may be situations when you need to specify the implementation, derece the interface, in the argument C# IList Nerelerde Kullanılıyor list: In this example, whenever you require a particular access performance characteristic.

Then later if you decide to convert the actual C# IList Neden Kullanmalıyız data store from a List to a Dictionary and expose the dictionary keys as the actual value for the property (I have had to do exactly this before). Then C# IList Nasıl Kullanılır 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 sorun! If you expose the List birli an IEnumerable you gönül comfortably predict that your collection is not being modified externally. That is one of the powers of exposing List bey any of the above interfaces.

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

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Dizin aracılığıyla erişilebilen nesnelerin mutlak olarak belirlenmiş bir listesini temsil eder. Listeleri taharri, sıralama ve el işi yöntemleri esenlar.

It doesn't affect the signature of the method, and is set 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.