Even if you’re an experienced Java developer, it can be a bit difficult to understand exactly where and how the Apple JVM is installed and configured. Apple has carefully hidden some of its files and libraries to keep users from accidentally wiping out their data and to manage the complexity of upgrading the Mac OS X operating system.
Although its philosophy is unlike that of Windows, Mac OS X tries to maintain a high level of integration between the OS and the programs that run on it. Java is no exception, and the Apple JVM was created with integration and ease of upgrade in mind.
Begin your system tour by opening the Terminal application and going
to your hard drive’s root directory (or folder). The
quickest way to get there is to open a new Finder window and click
Computer in the toolbar, and then double-click on the Hard Drive
icon. This is the
Mac OS X
“root” location, which is what you
would see from the terminal by typing
/ and then
[Wills-Laptop:/] wiverson% ls AppleShare PDS SimpleClass.java etc Applications System mach Desktop DB TheVolumeSettingsFolder mach.sym Desktop DF Trash mach_kernel Desktop Folder Users private Developer Volumes sbin IE Install Log File automount tmp Library bin usr Network cores var Office X SR1 Updater Log dev [Wills-Laptop:/] wiverson%
You’ll find a folder called Library immediately inside the root directory. This folder contains several default directories. When you install Mac OS X, these ...