September 2005
Beginner
576 pages
13h 6m
English
Content preview from SAMS Teach Yourself Programming with Java™ in 24 Hours, FOURTH EDITIONBecome 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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Setting Up the CLASSPATH Variable
All the Java programs that you write rely on two kinds of class files: the classes you create and the Java class library, a set of hundreds of classes that represent the functionality of the Java language.
The Java Development Kit needs to know where to find Java class files on your system. In many cases, the kit can figure this out on its own by looking in the folder where it was installed.
You also can set it up yourself by creating or modifying another environment variable: CLASSPATH.
Setting the CLASSPATH on Windows 98 or Me
If you have compiled and run the HelloUser program successfully, the Java Development Kit has been configured successfully. You don't need to make any more changes to your system.
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.