C# 0 The Complete Reference

The First Sample Program, Line by Line

Although

Example.cs

 is quite short, it includes several key features that are common to all 

C# programs. Let’s closely examine each part of the program, beginning with its name.

The name of a C# program is arbitrary. Unlike some computer languages (most notably, 

Java) in which the name of a program file is very important, this is not the case for C#. You 

were told to call the sample program 

Example.cs

 so that the instructions for compiling and 

running the program would apply, but as far as C# is concerned, you could have called the 

file by another name. For example, the preceding sample program could have been called