Fundamentals of UML Diagrams

A diagram is the graphical presentation of a set of elements. UML has a lot of different diagrams. Make sure you can differentiate between different diagrams. Previous sections described UML diagrams; this section elaborates on them using examples.

Basic Use Case Notation

Object Diagram

Object Diagrams show a set of objects and their relationships. They are static snapshots of element instances found in class diagrams. Figure 2.3 shows an example of an object diagram.

Figure 2.3: Example of a UML Object Diagram