本书中所收集的研究和编程经验，将有助于你编写出高质量的软件，并且使得开发周期缩

短。通过阅读本书，你将会对自己过去所犯过的错误有更深刻的理解，并懂得今后如何避免它

们。同时，书中所收集的丰富的编程经验也将使你在控制大规模项目和按要求对软件进行修改

和维护时感到得心应手。-Book in the collection of research and programming experience, will help you write high quality software, and so shorten the development cycle. By reading this book, you will own the mistakes in the past to gain a deeper understanding of, and know how to avoid them in future. Meanwhile, the book collection of programming experience will also allow you to control large-scale projects and the required modifications to the software and maintenance was handy.