A class diagram is a visual representation of the structure and relationships of the classes in an object-oriented system. It is one of the most common types of diagrams used in object-oriented ...

This paper describes the diagnostic method developed in a learning environment for object-oriented modeling called Diagram. This method compares the studentpsilas diagram with an expertpsilas diagram ...

The transformation of user requirements into system requirements models can be achieved using the 4 Step Rule Set (4SRS) method that transforms UML use case diagrams into system-level object diagrams.