4 Comments on “A developer designs an interface that contains the following code:”

1. rao says:

   June 21, 2016 at 5:46 pm

   correct

   
   
   
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2. J says:

   April 24, 2017 at 2:16 am

   YES,YES,NO

   public class Program
   {
   public static void Main(string[] args)
   {
   //Class2 class2 = new Class2();
   //((INewInterface)class2).Method1();

   Class1 class1 = new Class1();
   ((INewInterface)class1).Method1();
   }
   }

   public class Class1 : Class2{}
   public class Class2 : INewInterface{
   void INewInterface.Method1(){
   throw new NotImplementedException();
   }
   }
   public interface INewInterface{
   void Method1();
   }

   
   
   
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3. Guru says:

   February 7, 2018 at 9:14 am

   yes, yes, no

   
   
   
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   1. ivannathan says:

      October 5, 2019 at 2:24 am

      2nd question – If you cast class1 to interface, the exceptions is thrown.
      the answer is NO, because class1 is inherited from class2, which uses interface. In other words, class1 also has interface

      
      
      
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