February 2017
Beginner
1056 pages
28h 57m
English
Content preview from Java: An Introduction to Problem Solving and Programming, 8th 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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6.3 Writing Methods
It is common sense to take a method and try it. If it fails, admit it frankly and try another. But above all, try something.
—FRANKLIN DELANO ROOSEVELT, Address at Oglethorpe University (MAY 22, 1932)
In this section we discuss some basic techniques that will help you to design, code, and test methods. We start with a case study.
Case Study Formatting Output
If you have a variable of type double that stores some amount of money, your programs should display the amount in a nice format. However, you are likely to get output that looks like this:
Your cost, including tax, is $19.98123576432Instead, we would like the output to look like this:
Your cost, including tax, is $19.98In this case study, we will define a class called ...
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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.