Better Faster Lighter Java [Electronic resources] نسخه متنی

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Better Faster Lighter Java [Electronic resources] - نسخه متنی

Justin Gehtland; Bruce A. Tate

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2.4 Summary

Simplicity is perhaps the core value of Java development. It makes you more productive, improves the readability of your code, reduces bugs, and makes it easier to layer core concepts. It's a concept that does not stand alone. You must consider the foundation that you're usingwhether it's a framework, design pattern, or your own code. You've also got to worry about your development process, because complex development processes frequently lead to complex code.

Finally, you've got to embrace the practices of refactoring and testing to have the freedom that leads to simplicity. One XP principle is to try the simplest thing that will work. This adage works well within XP because if you're wrong, you can refactor. Since you started with a simple solution, you're not going to lose much. Refactoring, through, can be dangerous, so you need a safety net. Automated unit tests provide that safety net.

In the next chapter, I'll introduce the principle "Do one thing, and do it well." You'll learn how to focus the goals of each part of your system. As you'd probably expect, I'll also spend some time talking about reducing coupling.

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