面向对象技术的系统思想

System theory and it's some applications in the object-oriented design

运用系统的概念将面向对象软件系统表示成一个二元组,给出了对象系统及环境系统等的概念,引入了类间的并、交、补运算及子系统的并和定向并等运算,并对它们的性质进行了讨论,给出了这些概念、运算和性质在面向对象设计技术中的一些应用。

Object-Oriented software system is represented as a pair with the concept of system,the concept of object system,environment system and so on is given,operations of union,intersection and complement between classes and union and oriented union of subsystem are introduced,and their properties are discussed,some applications of these concepts,operations and properties in the Object-Oriented technology are got respectively.