说明：  本书的主要目标是为你提供有关Java 应用和Java applets 的面向对象的程序设计所必需的知识和技能； 并讲授Java 编程语言句法和面向对象的概念，以及Java 运行环境的许多特性， 对图形用户界面（GUIs）、 多线程和网络的支持等。本课程包括了参加SUN Certified Java Programmer 和SUN Certified Java Developer 考试所必备的知识。
(The main objective of this book is for you to provide Java applications and Java applets of the object-oriented programming the necessary knowledge and skills and teach Java programming language syntax and object-oriented concepts, Java runtime environment as well as many of the features of of graphical user interfaces (GUIs), multithreading and network support. Take part in this course include the SUN Certified Java Programmer and SUN Certified Java Developer exam necessary knowledge.)