一、类图概念: 类图(Class diagram)主要用于描述系统的结构化设计。类图也是最常用的UML图,用类图可以显示出类、接口以及它们之间的静态结构和关系。 二、类图示例: 二、UML的具体表示 类 我们看到 “动物”的矩形框,它表示一个类(Class),类图分为三层,第一层表示类的名称,第二层表示类的特性,通常就是...23...
Activity Digram Notation and Symbol How to draw an activity diagram? Activity diagram is a flowchart of activities. It represents the workflow between various system activities. Activity diagrams are similar to the flowcharts, but they are not flowcharts. Activity diagram is an advancement of a fl...
Public visibility is indicated by a “+” symbol. Classes or objects that have access to a public attribute or operation can read and write its value, and can invoke its behavior. Protected visibility is indicated by a “#” symbol. Classes or objects that have access to a protected attribu...
This UML diagram symbol legend shows all basic symbols and notations used in UML diagram documentation.
UML built-in shapes are easily rendered in a symbol palette. The symbols property of palettes is used to define UML symbols with the necessary classes and methods. This feature allows you to add a collection of predefined UML symbols to the palette, making your UML diagramming application more...
Click your starting shape and drag the symbol onto the canvas. The standard class symbol has three rows, but you can use a similar shape that omits the bottom two rows if you prefer.Do you want to create your own UML diagram? Try Lucidchart. It's fast, easy, and totally free.Create ...
In this example, symbol prefixes indicate the visibility of methods and properties. The three possibilities are: + (Public) - (Private) # (Protected) Additionally, the ~ symbol is used to indicate an item is a package.
第一部分:UML类图(class diagram) 类图用来展现一组类、类的特性以及其类相互之间的关系,一个类图由一组类以及它们之间的关系构成,类图用来对系统的领域概念以及静态结构进行建模。 在软件模型中,类图是最基本、也最重要的一种图。 类图中的元素有类、接口、协作、关系、注释、约束和包。
ResourceSymbol ResourceTemplate ResourceType ResourceView 重新啟動 RestoreDefaultView RestoreImage RestoreLocalServer RestoreMTR RestoreServiceDependencies RestoreServiceDependenciesWarning RestoreSnapshot ResultsToGrid ResultsToRuleFile ResultsToTextFile ResumePhone Rethrow 擷取 傳回 ReturnApplicationInsights ReturnParamet...
4. bind( 绑定) (keyword on Dependency symbol ) 代表绑定关系的依赖关系上的关键字。它后面跟着由括弧括起逗号分隔的参量列表。 见b i n d i n g ,bound element ,t e m p l a t e 。 5. call(调用) (stereotype of Usage dependency ) 源是一个操作而目标也是一个操作的构造型依赖关系。调用...