For now, I’ll focus on one aspect of UML: the elements of a class diagram. Arguably, class diagrams are the most often used UML diagrams.

UML is used as a representation of the Java programming language. Using sample class and sequence diagrams, you can see how UML conveys unambiguous code-mapping information to developers.

In our third installment on UML we'll show you how to use sequence diagrams as a tool in your application development and an understanding of object interaction.