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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11.2 Programming with Recursion
All short statements about programming techniques are false.
—ANONYMOUS
In this section, we present some programs that illustrate ways to use recursion.
Programming Example Insisting That User Input Be Correct
The program in Listing 11.5 simply requests a positive integer and then counts down from that integer to zero. The method getCount reads the integer from the user. Notice that if the user enters a number that is not positive, the method getCount calls itself. This call starts the input process all over again from the beginning. If the user enters another incorrect number, another recursive call occurs, and the input process will start yet again. This procedure is repeated until the user enters a positive ...
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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.