The English name of this book: JMX in action! The book not only introduces basic knowledge, but also provides in-depth discussion of major architectural issues in JMX development, summarizes a large number of design patterns in JMX development, and discusses framework, security, performance, etc. The book provides several typical examples, taking into account various development platforms. The codes of these examples can be directly applied to project development with slight modifications. The code source files can be downloaded from the Turing website. The content of this book is broad and in-depth, and it is suitable for all levels of Web application developers.