面向对象的系统设计。本书是《面向对象的系统分析》的姊妹篇，二者构成了完整的面向对象的分析与设计（OOA&OOD）方法体系。本书主要论述了如何在面向对象的分析（OOA）的基础上进行面向对象的设计（OOD）。全书分为7章。第1章介绍OOD的发展历史、现状和几种典型的OOA和OOD方法，论述OOA和OOD的关系。第2章介绍本书的OOD方法概貌。第3～6章分别介绍OOD模型各个组成部分的设计方法。第7章介绍统一建模语言UML，并分析和讨论其优点与缺点。-object-oriented systems design.This book is the <<object-oriented systems analysis>>, the companion piece, the two form a complete object-oriented analysis and design (OOA &　OOD) methodology. This book discusses how object-oriented analysis (OOA) based on object-oriented design (OOD). The book is divided into 7 chapters. Chapter 1 describes the development of OOD history, status and some typical OOA and OOD methods, discusses the relationship between OOA and OOD. Chapter 2 describes the overview of the book OOD methods. 3 ~ 6, respectively model describes the various components of OOD design. Chapter 7 introduces the Unified Modeling Language UML, and analyze and discuss its advantages and disadvantages.