In this chapter, I’ll cover a number of other topics that are important in using C# but that don’t fit neatly into one of the other chapters. These include string handling, nullable types, the
Main method, documentation comments, and nested types.
Zeroes and ones are fine for internal computation, but for human-readable input and output, we need strings of characters. The BCL provides a number of classes that make string handling easy.
The C# predefined type
string represents the .NET ...