UML中的类图及类图之间的关系简述

在这里插入图片描述统一建模语言(Unified Modeling Language,UML)是用来设计软件蓝图的可视化建模语言,1997 年被国际对象管理组织(OMG)采纳为面向对象的建模语言的国际标准。它的特点是简单、统一、图形化、能表达软件设计中的动态与静态信息。在这里插入图片描述
统一建模语言能为软件开发的所有阶段提供模型化和可视化支持。而且融入了软件工程领域的新思想、新方法和新技术,使软件设计人员沟通更简明,进一步缩短了设计时间,减少开发成本。它的应用领域很宽,不仅适合于一般系统的开发,而且适合于并行与分布式系统的建模。UML 从目标系统的不同角度出发,定义了用例图、类图、对象图、状态图、活动图、时序图、协作图、构件图、部署图等 9 种图。本教程主要介绍软件设计模式中经常用到的类图,以及类之间的关系。另外,在实验部分将简单介绍 UML 建模

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工具的使用方法,当前业界使用最广泛的是 Rational Rose。使用 Umlet 的人也很多,它是一个轻量级的开源 UML 建模工具,简单实用,常用于小型软件系统的开发与设计。

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转载自blog.csdn.net/xmh_sxh_1314/article/details/105177271