C# IList Nedir Temel Açıklaması

C# IList Nedir Temel Açıklaması

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I toyed with writing an extension method, also with inheriting from IList and implementing my own Sort() method bey well kakım casting to a List but none of these seemed overly elegant.

C# List dâhilindeki verileri yazdırmak yürekin bayağıdaki dü döngüden biri kullanılarak bileğerleri ekrana yazdırma teamüllemi dokumalabilir.

If someone passes you an Array or a List, your code will work fine if you check the flag every time and have a fallback... But really; who does that?

So when writing a function or method that takes a collection, write it hamiş to take a List, but an IList, an ICollection, or IEnumerable. The generic interfaces will still work even for heterogenous lists because System.

In addition to the older code that doesn't know about generics, there are also a lot of cases where you know you have a list

Convert your IList into List or some other generic collection and then you emanet easily query/sort it using System.Linq namespace (it will supply bunch of extension methods)

List implements IList, and so dirilik be assigned to the variable. There are also other types that also implement IList.

Don't you know in advance if your method needs a list that dirilik take additional members; don't you specify that in C# IList Kullanımı the method signature? What exactly were you going to do if you were passed a C# IList Nedir read only list like int[]?

; being aware of the definition of the interface ie. all abstract methods that are there to be C# IList Kullanımı implemented by any class inheriting the interface. so if some one makes a huge class of his own with several methods besides the ones he inherited from the interface for some addition functionality, and those are of no use to you, its better to use a reference to a subclass (in this case the interface) and assign the concrete class object to it.

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I know that IList is the interface and List is the concrete type but I still don't know when to use each one. What I'm doing now is if I don't need the Sort or FindAll methods I use the interface. Am I right? Is there a better way to decide when to use the interface or the concrete type?

Brad LeachBrad Leach C# IList Nasıl Kullanılır 17k1818 gold badges7373 silver badges8888 bronze badges 1 3 It will create a new enumerable, which may not be desirable in some scenarios. You cannot sort an IList in-place through the interface except by using ArrayList.Adapter method in my knowledge.

When talking about return types, the more specific you are, the more flexible callers sevimli be with it.

The other general reason for using interfaces C# IList Nasıl Kullanılır is to expose the minimum amount of knowledge necessary to the user of an object. Consider the (contrived) case where I have a data object that implements IList.