说明：  结合软件设计语言的发展趋势，就Java 语言的应用与面向对象的程序设计，详尽介绍传统结构化语言与面向对象语言的区别，由浅入深地叙述C、C++语言的基本结构，从而引出Java 面向对象程序设计思想。
(Combined with the development trend of software design language, the pplication of Java language and object-oriented. The program design, detailed description of differences between the traditional structured language and object-oriented language from the shallower to the deeper, the basic structure of C, C++ language,which leads to the Java object-oriented program design.)