Appendix A. Overview of the Unified Modeling Language (UML)
This appendix1 gives a brief overview of the Unified Modeling Language (UML), which is the modeling language of the object-oriented community. If you do not already know the UML, this appendix will give you the minimal understanding you will need to be able to read the diagrams contained in this book.
• We describe what the UML is and why to use it.
• We discuss the UML diagrams that are essential to this book.
• The class diagram
• The sequence diagram
What Is the UML?
The UML is a visual language (meaning a drawing notation with semantics) used to create models of programs. By models of programs, we mean a diagrammatic representation of the programs in which one can see the relationships ...
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