introductory-examples/program-organization/4/ex.cs - Nested namespaces with classes.

Lecture 4 - slide 19 : 29 Program 7

// Again nested namespaces. N1 contains N2 and N3.
// In source file ex.cs

namespace N1 {

  namespace N2 {
   public class C1{};
   public class C2{};
  }

  namespace N3 {
      public class C3{}
  }

}