本书通过最新的Java特征和最佳实践阐释了经典著作《设计模式》中介绍的23种基本设计模式。作者根据自己丰富的编程经验，用实际的Java 5.0程序、清晰的UML图表以及引人入胜的实践讲述了每个模式。书中每章集中讨论一种特定的模式，之后给出一些自我突破题，自我突破题或者启发读者思考，或者要求编写代码来解决某个问题，有助于更深入地理解书中的概念。

本书适合于各层次的Java开发人员阅读。-This book, through the latest Java features and best practices to explain the classic " Design Patterns"　Introduction of the 23 kinds of basic design patterns. Author according to their wealth of programming experience, Java 5.0 with the actual procedures, clear UML diagrams, as well as the practice of appealing on each model. Each chapter is the book to focus on a particular model, and then give some self-breakthrough title, self-breakthrough title or by inspiring readers to consider, or ask for writing code to solve a problem, will help more in-depth understanding of the concept of the book. This book is suitable for all levels of Java developers to read.