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Java For Dummies, 8th Edition
book

Java For Dummies, 8th Edition

by Barry Burd
April 2022
Beginner content levelBeginner
512 pages
11h 32m
English
For Dummies
Content preview from Java For Dummies, 8th Edition

Chapter 8

Saving Time and Money: Reusing Existing Code

IN THIS CHAPTER

Bullet Adding new life to old code

Bullet Tweaking your code

Bullet Making changes without spending a fortune

reuse /ree-YOOSS/ noun The act of using something for the nth time, where n is greater than 1. Example: “Reuse of the material in Java For Dummies, 8th Edition is strictly prohibited.”

Reuse is good but, in many situations, reuse is a rarity. For example, in the United States, the Department of Agriculture estimates that 30 to 40 percent of the nation's food goes to waste. And, according to one source, only 9 percent of the world's plastics are recycled.

Information goes to waste too. As I revise this chapter for the 8th edition, I'm deciding not to reuse the 7th edition's chapter introduction. (That introduction's made-up story isn't amusing in the least.) In desperation, I looked at some of my other books to find an introduction that I could reuse for this chapter. No luck! I came up empty-handed.

I can't even reuse paragraphs to explain common concepts. My description of Java classes from another book wouldn't work well in this book. I've even experienced times when I had to scrap sections in several chapters because ...

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Publisher Resources

ISBN: 9781119861645Purchase Link