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In software engineering, a class diagram [1] in the Unified Modeling Language (UML) is a type of static structure diagram that describes the structure of a system by showing the system's classes, their attributes, operations (or methods), and the relationships among objects. The class diagram is the main building block of object-oriented modeling.
UML diagrams are used to represent the logical view, and include class diagrams, and state diagrams. [2] Process view: The process view deals with the dynamic aspects of the system, explains the system processes and how they communicate, and focuses on the run time behavior of the system.
A sample UML class diagram for the Template Method design pattern. [4] In the above UML class diagram, the AbstractClass defines a templateMethod() operation that defines the skeleton (template) of a behavior by implementing the invariant parts of the behavior and
A sample UML class and sequence diagram for the builder design pattern. [ 4 ] In the above UML class diagram , the Director class doesn't create and assemble the ProductA1 and ProductB1 objects directly.
@startuml scale max 300 height hide members hide circle hide stereotypes skinparam Padding 10 skinparam package { Style Rectangle TitleAlignment right FontSize 12 } skinparam class { BackgroundColor White BackgroundColor<<Facade>> #ffffaa/#ffffff BorderThickness 0.4 } left footer <i>Sample class diagram</i> endfooter Client =u=> Facade interface Facade <<Facade>> package Subsystem #ffffff ...
A sample UML class diagram for the Factory Method design pattern. [ 4 ] In the above UML class diagram , the Creator class that requires a Product object does not instantiate the Product1 class directly.
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A sample UML class and sequence diagram for the State design pattern. [2] The state design pattern is one of twenty-three design patterns documented by the Gang of Four that describe how to solve recurring design problems. Such problems cover the design of flexible and reusable object-oriented software, such as objects that are easy to ...