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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Practice Programs
Practice Programs can generally be solved with a short program that directly applies the programming principles presented in this chapter.
Write a static recursive method that returns the number of digits in the integer passed to it as an argument of type
int. Allow for both positive and negative arguments. For example, −120 has three digits. Do not count leading zeros. Embed the method in a program, and test it.Write a static recursive method that returns the sum of the integers in the array of
intvalues passed to it as a single argument. You can assume that every indexed variable of the array has a value. Embed the method in a test program.One of the most common examples of recursion is an algorithm to calculate the
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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.