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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Watching the Skies at NASA
The first afternoon stop on the Java tour will be a trip to NASA, the National Aeronautics and Space Administration, a U.S. government agency that makes extensive use of Java applets. One of the most popular is J-Track, an applet that helps skywatchers keep an eye out for orbiting satellites. Load it in your browser at http://science.nasa.gov/Realtime/JTrack/Spacecraft.html.
J-Track superimposes the current location and path of satellites over a map of the world, shading the planet to show day and night for those of us who don't look out the window.
More than 100 different satellites can be added or dropped from view. The J-Track applet running in Figure 3.4 provides a glimpse of how crowded the skies have become with ...
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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.