这是一个优秀的java面向对象设计与分析（OOAD)的文档。很多人只是机械化的学习，不了解其中的原理和所带来的好处，这篇文档对我们的设计思想和理念很有帮助。

1 面向对象技术

2 UML建模

3 抽象、封装、多态、泛化

4 好的设计思想

5 一些实例

6 -It is an object-oriented design and analysis (OOAD) document an excellent java. Many people just learning mechanization, does not understand the principles and benefits of which have brought this document to our design ideas and concepts is helpful. An object-oriented technology 3 2 UML modeling abstraction, encapsulation, polymorphism, good design ideas generalization 4 5 6 ...... some examples