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What is the advantage or usage of an INTERFACE ( in C# or java)?

Asked by : Pankaj V. Tambe, Senior Software Developer, II India
Keywords : what is the advantage or usage of an interface ( in c# or java)?
Activity: Question posted: 08 07 2010 11:10:09 +0000, 3 answers, 121 views, last activity 10 04 2010 17:54:32 +0000
 
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I just wanted to know the exact definition or usage or advantages of the Interfaces in designing the s/w application.

 
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Hi pankaj,

If the requirement is like that something in your design changes frequently then go for interfaces instead of classes.

For example if you want to your project should support different databases . So that client can change his database in future we use interfaces contains property procedures in class file with out altering objects.

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by   Pratik Hazra, Project Lead, Motorola  | 08 09 2010 12:46:11 +0000
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3 Answers for "What is the advantage or usage of an INTERFACE ( in C# or java)? "
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  Answered by     Krishnath Appasaheb Jadhav, Softwaare Engineer, Winfoware Technologies  | 10 04 2010 17:54:32 +0000
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Hi Pratik,

             We can have properties file to configure and connect to different database without making necessary changes in the code. So  How come that can be the valid reason to use interface?

Thanks in advance

  Answered by     Pankaj V. Tambe, Senior Software Developer, II India  | 08 09 2010 14:18:38 +0000
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Thanks Pratik, your answer and Example is really helpful and informative.

 
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