Chapter 3. Types, Storage, and Variables
A C# Program Is a Set of Type Declarations
If you were to broadly characterize the source code of C and C++ programs, you might say that a C program is a set of functions and data types, and that a C++ program is a set of functions and classes. A C# program, however, is a set of type declarations.
The source code of a C# program or DLL is a set of one or more type declarations.
For an executable, one of the types declared must be a class that includes a method called
Main.A namespace is a way of grouping a related set of type declarations and giving the group a name. Since your program is a related set of type declarations, you will generally declare your program inside a namespace you create.
For example, ...
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