C# 0 The Complete Reference

WriteLine( )

. In this case, 

WriteLine( )

displays the string that is passed to it. Information that is passed to a method is called an 

argument.

 In addition to strings, 

WriteLine( )

 can be used to display other types of information. 

The line begins with 

Console

, which is the name of a predefined class that supports console 

I/O. By connecting 

Console

 with 

WriteLine( )

, you are telling the compiler that 

WriteLine( )

is a member of the 

Console

 class. The fact that C# uses an object to define console output is 

further evidence of its object-oriented nature.

Notice that the 

WriteLine( )

 statement ends with a semicolon, as does the 

using System

statement earlier in the program. In general, statements in C# end with a semicolon. The 

exception to this rule are 

blocks,

 which begin with a