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代码的用户体验
- 4. 代码用户体验的三要素 别让我想 别让我猜 别让我烦
- 5. 用户体验一：别让我想
- 6. 没有信息量的注释
- 7. 没有信息量的变量名
- 8. 没有信息量的常量
- 9. 不够抽象的概念
- 10. 平铺直叙的代码 How to do Do what
- 12. 用户体验二：别让我猜
- 13. A name should tell you why it exists, what it does, and how it is used. - Uncle Bob
- 15. 方法名 void nextSong() void playNextSong() Song nextSong()
- 16. 类名
- 17. Conceptual Integrity I contend that conceptual integrity is the most important consideration in system design. -Frederick Brooks
- 18. one concept: multiple names Strive for consistency in naming. If you use two names interchangeably, someone else will be mislead into believing that there is a difference.
- 19. 混合使用不同的名词 and I has another name called “Control”. Hi, my name is “Widget”.
- 21. 红心收藏 • Favorites • Like • Rate • Mark • Love • Heart • ……
- 22. 混合使用不同的名词
- 23. 混合使用全称和缩写
- 24. 混合使用常量和字面量
- 25. one name: multiple concepts If you use same term for two distinct concepts, others will be even more confused.
- 26. Sin Sin
- 27. Conceptual Integrity We work hard to make sure that each concept in our application is expressed just once in our code. -Dave Thomas
- 29. Conceptual Integrity Every thing is Fd. • open( ) • read( ) • write( ) • close( )
- 30. 用户体验三：别让我烦
- 33. 无处不在的空指针检查 空指针检查
- 34. 无处不在的空指针检查
- 35. 无处不在的空指针检查
- 36. 无处不在的空指针检查 内部代码 避免产生空指针，并去掉null判断 接口显式说明参数和返回值是否可为null 使用第三方库 做防御性判断 http://www.juvenxu.com/2014/10/28/using-design-to-prevent-errors/
- 37. 避免产生空指针
- 39. 10 months 18 years
- 40. 写更少的代码 The Best API is no API at all. -《The Little Manual of API Design》 The most readable code is no code at all. -《The Art of Readable Code》
- 42. 合理使用第三方提供的库
- 45. Code should be written to minimize the time it would take someone else to understand it. -《The Art of Readable Code》
Notes de l'éditeur
- 产品的用户体验 yes 代码的用户体验 no