The process is named a short sentence, in one word or a phrase to express its essenceĭata flow describes the information transferring between different parts of the systems. The symbols of a process are rectangular with rounded corners, oval, rectangle or a circle. Input to output transformation in a system takes place because of process function. Software Engineering | Coupling and Cohesion.Differences between Black Box Testing vs White Box Testing.Software Engineering | RAD Model vs Traditional SDLC.Software Engineering | Rapid application development model (RAD).Software Engineering | Incremental process model.Software Engineering | Iterative Waterfall Model.Difference between Waterfall Model and Spiral Model. Software Engineering | Comparison between Agile model and other models.Software Engineering | Comparison between Regression Testing and Re-Testing.Software Engineering | Differences between Sanity Testing and Smoke Testing.Software Engineering | Automated Testing.Software Engineering | Regression Testing.Software Engineering | Control Flow Graph (CFG).Types and Components of Data Flow Diagram (DFD).Class Diagram for Library Management System.Use Case Diagram for Library Management System.ISRO CS Syllabus for Scientist/Engineer Exam.ISRO CS Original Papers and Official Keys.GATE CS Original Papers and Official Keys.It’s important to note that the aggregation link doesn’t state in any way that ClassA owns ClassB nor that there’s a parent-child relationship (when parent deleted all its child’s are being deleted as a result) between the two. Aggregation (Shared Association) In cases where there’s a part-of relationship between ClassA (whole) and ClassB (part), we can be more specific and use the aggregation link instead of the association link, highlighting that the same ClassB instance can also be aggregated by other classes in the application (therefore aggregation is also known as shared association). Strong Association ClassA may also be linked to ClassB in order to show that it holds a reference to ClassB instance. Weak Association ClassA may be linked to ClassB in order to show that one of its methods includes parameter of ClassB instance, or returns instance of ClassB. Association The most abstract way to describe static relationship between classes is using the Association link, which simply states that there is some kind of a link or a dependency between two classes or more.
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