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Typographical Conventions
Courier is used for the names of commands, files, directories,
programming code, and on-screen computer output; for example:
Use ls -al to list all files.
system% You have mail.
Courier is also used to indicate programming constructs, such as class
names, methods, and keywords; for example:
The getServletInfo method is used to get author information.
The java.awt.Dialog class contains Dialog constructor.
Courier bold is used for characters and numbers that you type; for
example:
To list the files in this directory, type:
# ls
Courier bold is also used for each line of programming code that is
referenced in a textual description; for example:
1 import java.io.*;
2 import javax.servlet.*;
3 import javax.servlet.http.*;
Notice the javax.servlet interface is imported to enable access to
its life cycle methods (Line 2).
Courier italics is used for variables and command-line placeholders
that are replaced with a real name or value; for example:
To delete a file, use the rm filename command.
Courier italic bold is used to represent variables whose values are to
be entered by the student as part of an activity; for example:
Type chmod a+rwx filename to grant read, write, and execute
rights for filename to world, group, and users.
Palatino italics is used for book titles, new words or terms, or words that
you want to emphasize; for example:
Read Chapter 6 in the User’s Guide.
These are called class options
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