October 2009
Beginner
432 pages
8h 14m
English
Content preview from Sams Teach Yourself Java™ in 24 Hours, Fifth Edition<feature><title></title>
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Chapter 5. Storing and Changing Information in a Program
WHAT YOU’LL LEARN IN THIS HOUR:
Creating variables
Using the different types of variables
Storing values into variables
Using variables in mathematical expressions
Storing one variable’s value into another variable
Increasing and decreasing a variable’s value
In Hour 2, “Writing Your First Program,” you used a variable, a special storage place designed to hold information. The information stored in variables can be changed as a program runs. Your first program stored a string of text in a variable. Strings are only one type of information that can be stored in variables. They also can hold characters, integers, floating-point numbers, and objects.
During this ...
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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.