Why we required interface in C#.

implementing IEnumerable interface helps you to iterate through your collection

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Hi, Enumerators are used to read the data in the collection but however they cannot be used to modify the underlying collection. Almost all pre-defined collections (like HashTable, Dictionary...) in .NET support the For Each loop structure. They do this, because these class have implemented an interface called IEnumerable. If you are developing ur own customized collection and you want this collection class to work with the for each loop, your class must implement the IEnumerable interface. IEnumerator is the base interface for all nongeneric enumerators. check here for detailed explianation and how to use them.. http://msdn.microsoft.com/en-us/library/system.collections.ienumerator.aspx Please mark the answer as Accepted if it helps you.

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' < IENUMERABLE (T) > ' Interface in C#

Shweta Kuthi

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Why we required < IEnumerable (T)> interface in C#.

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