what is the purpose of an Interface ?

Posted by Akiii under C# on 8/14/2011 | Points: 10 | Views : 2676 | Status : [Member] | Replies : 3

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Hi,
Suppose, i have an interface A and i implement that in a class....

interface A
{
      void show();
}

Class implementInterface: A
{
      void show()
      {
             Console.WriteLine("dotnetfunda");
      }
}

Now, if i have to define a method in a class then what is the purpose of declaring a skeleton somewhere else ?

Any help is appreciated.....
Thanks and Regards
Akiii

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Posted by: Nithadeepak on: 8/15/2011 [Member] Bronze | Points: 25

0	http://ondotnet.com/pub/a/dotnet/2003/06/30/interfaces.html http://weblogs.asp.net/stevewellens/archive/2009/07/17/what-s-the-deal-with-interfaces.aspx http://www.csharp-station.com/Tutorials/Lesson13.aspx Nitha Deepak Akiii, if this helps please login to Mark As Answer. \| Alert Moderator

Posted by: Itorian on: 8/15/2011 [Member] Starter | Points: 25

0	As I know, C++ level languages has multiple inheritance features and in .net for the same we uses interfaces. This feature is not for small apps. Student of M.Tech IT \| Microsoft MVP \| Mindcracker MVP \| IT Faculty \| Blogger \| Author Akiii, if this helps please login to Mark As Answer. \| Alert Moderator

Posted by: Akiii on: 8/16/2011 [Member] Bronze | Points: 25

0	@nitha... Thanks for the links, specially the second and third one. @Itorian.... Yes you are right. I am depicting a scenario, please tell me how can i make use of an interface. Presently i am working on a project which has Data Access Layer and Business Layer separated. in each of this layer, i have 10 classes respectively. Now, how can i use interface in this ?? Any help is appreciated... Regards Akiii Akiii, if this helps please login to Mark As Answer. \| Alert Moderator

@nitha...
Thanks for the links, specially the second and third one.

@Itorian....
Yes you are right.

I am depicting a scenario, please tell me how can i make use of an interface.
Presently i am working on a project which has Data Access Layer and Business Layer separated. in each of this layer, i have 10 classes respectively.
Now, how can i use interface in this ??

Any help is appreciated...

Regards
Akiii

Akiii, if this helps please login to Mark As Answer. | Alert Moderator

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