April 2003
Intermediate to advanced
304 pages
7h 48m
English
Content preview from Mac OS X for Java GeeksBecome 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,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.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.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.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.
Chapter 2. Apple’s Java Platform
With a basic understanding of the Mac OS X platform, you’re ready to get down to some bits and bytes . . . well, almost. First, you need to make sure you’ve got your Java compiler running properly, your environment variables set, and all program directories in the right place. We’ll deal with all of that in this chapter.
Apple JVM Basics
First, make sure you have a
Java Virtual Machine (JVM).
Open up the Terminal application, type java
-version, and you’ll see the
following message (or something similar):
java version "1.3.1"
Java(TM) 2 Runtime Environment,
Standard Edition (build 1.3.1-root-020219-20:07)
Java HotSpot(TM) Client VM (build 1.3.1, mixed mode)This message indicates that your JVM is set up and working, and that may seem like all you need to know. However, there is much more to a JVM than the ability to fire up a Java process. For starters, Apple preinstalls the JVM in a specific location, automatically including a number of additional classes. These classes number in the hundreds and add Apple-specific functionality to the core Java distributions.
Tip
In this section we’ll look at Apple’s JDK 1.3.1 installation, which is included with all Mac OS X 10.1 systems and beyond. The JDK 1.4.1 release is available for download via Apple’s Software Update feature or http://www.apple.com/macosx/downloads. It will install only on Mac OS X Version 10.2.3 or later.
The Swing settings are also unique to the Apple JVM: the default look and feel ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.