March 2017
Beginner
504 pages
11h
English
Content preview from Java For Dummies, 7th 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
How to orient yourself to object-oriented programming
Say what you want about computers. As far as I’m concerned, computers are good for just two simple reasons:
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When computers do work, they feel no resistance, no stress, no boredom, and no fatigue. Computers are our electronic slaves. I have my computer working 24/7 doing calculations for
Cosmology@Home— a distributed computing project to investigate models describing the universe. Do I feel sorry for my computer because it’s working so hard? Does the computer complain? Will the computer report me to the National Labor Relations Board? No.I can make demands, give the computer its orders, and crack the whip. Do I (or should I) feel the least bit guilty? Not at all.
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Computers move ideas, not paper. Not long ago, when you wanted to send a message to someone, you hired a messenger. The messenger got on his or her horse and delivered your message personally. The message was on paper, parchment, a clay tablet, or whatever physical medium ...
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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.
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.