| | Reference types, Value types, and Patterns - slide 19 : 29 |
 | A single class in the anonymous default namespace. |
 | Compilation of a single class in the anonymous default namespace. |
| Two namespaces and a nested namespace with classes. |
| A client of classes in different namespaces. |
| An equivalent client of classes in different namespaces - no using clauses. |
| Compilation of the namespaces and client. |
| Nested namespaces with classes. |
| Equivalent program with nested namespaces - no physical nesting. |
| A client of classes in nested namespaces. |
| Compilation of the namespaces and client. |
| Part one of namespace Intro with the classes A and B. |
| Part two of namespace Intro with the class C. |
| A client class that uses the classes in namespace Intro. |
| Possible compilation of namespace Intro and class Client. |