How do we implement private interfaces

A) Using Inherits Keyword
B) Using Implements Keyword
C) Private interfaces can not be implemented
Explanation: Interfaces must always be declared as public so that they can be implemented or inherited
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ravi

  • Mar 10th, 2006
 

yes there is no private interfaces

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sonj

  • Apr 20th, 2006
 

Interface should be in public so private is wrong

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Deepak

  • May 28th, 2014
 

B

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Pravesh Rai

  • Aug 25th, 2016
 

Answer is yes. we can implements private interface but within the class. See the example below

Code
  1. public class MyClass

    2. 

  2. {

    3. 

  3.     private interface IFoo

    4. 

  4.     {

    5. 

  5.         int MyProp { get; }

    6. 

  6.     }

    7. 

  7.  

    8. 

  8.     private class Foo : IFoo

    9. 

  9.     {

    10. 

  10.         public int MyProp { get; set; }

    11. 

  11.     }

    12. 

  12.  

    13. 

  13.     public static void Main(string[] args)

    14. 

  14.     {

    15. 

  15.         IFoo foo = new Foo();

    16. 

  16.         return foo.MyProp;

    17. 

  17.     }

    18. 

  18. }

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