当采用标准UML构建系统类模型(Class Model)时,若类B除具有类A的全部特性外,类B还可定义新的特性以及置换类A的部分特性,那么类B与类A具有 (46) 关系;若类A的对象维持类B对象的引用或指针,并可与类C的对象共享相同的类B的对象,那么类A与类B具有 (47) 关系。 A.聚合 B.泛化 C.传递 D.迭代 相关知识...
However, as will be discussed later, there are there situations in which it makes sense to let the UML class model anticipate constraints of the technology that is going to be used. Getting Started With UML Class Modeling Page 3 The names of classes start with an uppercase. The names of ...
Scenario-based testing from UML/OCL behavioral models We present in this article a way to produce test suites applied to the POSIX mini-challenge based on a behavioral model of a file system manager written in... Kalou,Cabrera,Castillos,... - 《International Journal on Software Tools for Tec...
JDeveloper is one of the more powerful free tools out there that offers UML modeling for your code. We do both conceptual modeling - which is not tied to a specific language implementation, and physical modeling of Java code. In the demo below I'm showing how easy it is to start for a...
There are four different types of visibility that can be applied to the elements of a UML model, as shown in Figure 4-6. Typically these visibility characteristics will be used to control access to both attributes, operations, and sometimes even classes (see the "Packages" section in Chapter...
A significant number of representations are furthermore given where model checking has been associated for affirmation of various sorts of model. Such delineations are SAT based checks of UML/OCL models, embeded structures model affirmation, et cetera. In all these kind of employments, the ...
You can use the UML Class diagram to evaluate how your local code changes affect the application. From the context menu of the code editor, the Project tool window, or the Changes view, select Show Local Changes as UML, or press CtrlAltShift0D. The diagram opens in a popup. You can ...
The choice of perspective depends on how far along you are in the development process. During the formulation of adomain model, for example, you would seldom move past theconceptual perspective.Analysis modelswill typically feature a mix ofconceptual and specification perspectives.Design modeldevelopment...
This is not the same as the UML class diagram, which you can create in a Modeling Project. For more information, see UML Class Diagrams: Reference. C++ classes in Class Designer Class Designer supports C++ classes and visualizes native C++ classes in the same way as Visual Basic and C# cl...
UML Class shapes Use a class diagram to make a general model of the structure of an application that specifies the system's classes, its attributes and methods, and the relationships between objects. Note:Creating and editing UML diagrams on Visio for the web requires aVisio Plan 1 or Visio...