December 2004
Intermediate to advanced
608 pages
11h 47m
English
Content preview from Apache Jakarta and Beyond: A Java Programmer’s IntroductionBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 12. Configuring Program Options
Modern Java applications are typically quite flexible. Much of this flexibility takes the form of options and parameters that can be given to a program when it first starts up. In a typical example, a program may need to be told which of several related tasks it should perform and will need to be given information relevant to that task. This in turn means that the program must be able to process this information in order to know what to do. Some options, such as the major task to perform, are internal switches. Other options require a value, such as the URL of a database. Still others may require multiple options, such as a list of files to be processed.
Closely related to this issue is that a well-written ...
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