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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Hour 8. Repeating an Action with Loops
One of the more annoying punishments for schoolchildren is to make them write something over and over again on paper or a chalkboard.
On The Simpsons, in one of his frequent trips to the board, Bart Simpson had to write, “I will not obey the voices in my head” dozens of times. This kind of punishment might work on children, but it definitely would fail to be punitive to a computer, which can repeat a task with ease.
Computer programs are ideally suited to do the same thing over and over again because of loops. A loop is a statement or set of statements that will be repeated in a program. Some loops take place a fixed number of times. Others take place indefinitely.
There are three loop statements in Java: ...
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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.