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Sams Teach Yourself Java™ in 24 Hours, Sixth Edition
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Sams Teach Yourself Java™ in 24 Hours, Sixth Edition

by Rogers Cadenhead
October 2011
Beginner
432 pages
10h 18m
English
Sams
Content preview from Sams Teach Yourself Java™ in 24 Hours, Sixth Edition

Sending Arguments to Applications

You can run Java applications from a command line using java, a program that invokes the JVM. NetBeans uses this program behind the scenes when you run programs. When a Java program is run as a command, the JVM loads the application. The command can include extra items of information, as in this example:

java TextDisplayer readme.txt /p

Extra information sent to a program is called an argument. The first argument, if there is one, is provided one space after the name of the application. Each additional argument also is separated by a space. In the preceding example, the arguments are readme.txt and /p.

If you want to include a space inside an argument, you must put quotation marks around it, as in the following: ...

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