代码阅读有自身的一套技能，重要的是能够确定什么时候使用哪项技术。本书中，作者使用600多个现实的例子，向读者展示如何区分好的（和坏的）代码，如何阅读，应该注意什么，以及如何使用这些知识改进自己的代码。养成阅读高品质代码的习惯，可以提高编写代码的能力。-code readers have their own set of skills, it is important to determine when to use which technology. The book, the authors use more than 600 practical examples to show readers how to distinguish good (and bad) code, how to read, it should be noted that, and how to use this knowledge to improve their own code. Develop high-quality code reading habits, and improve the ability to write code.