January 2025
Beginner
496 pages
11h 11m
English
Content preview from Java For Dummies, 9th Edition
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Chapter 1
All about Java
IN THIS CHAPTER
What Java is
Where Java came from
Why Java is so cool
Three ways to write computer code
Say what you want about computers. As far as I’m concerned, computers are good for just two simple reasons:
When computers do work, they feel no resistance, no stress, no boredom, and no fatigue. Your computer can work 24/7 making calculations for
www.climateprediction.net— a distributed computing project to model the world's climate change. Or, have your computer crunch numbers forRosetta@home— a site that models proteins to help cure major illnesses. Will you feel sorry for my computer because it’s working so hard? Will the computer complain? No.You can make demands, give the computer its orders, and crack the whip. Will you (or should you) feel the least bit guilty? Not at all.
Computers move ideas, not paper. Not long ago, whenever you wanted to send a message to someone, you hired a messenger. The messenger mounted a horse and delivered your message personally. The message was recorded on paper or parchment or a clay tablet or whatever other ...
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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.