说明：  本书向熟悉基本编程概念的人讲述JAVA编程语言。本书解释了JAVA语言，但不是晦涩的正式介绍，也没有覆盖JAVA语言的所有方面。本系列图书中的其他各卷以及大量的在线文档，专门就APPLET、图形界面、数据库、组件和其他特定类型的编程任务进行详细论述
(Book to people familiar with the basic programming concepts about the JAVA programming language. This book explains the JAVA language, but not obscure the formal introduction, it does not cover all aspects of JAVA language. Other books in this series of volumes and a large number of online documents, specifically on the APPLET, graphical interface, database, components, and other specific types of programming tasks in detail)