There is a widespread misconception that modeling implies the use of UML diagrams: it does not. At the Department of Social and Family Affairs (DSFA) in Ireland, whose new Child Benefit Administration ...

Package Packages (Figure B) are general-purpose grouping mechanisms.A package in UML translates directly into a package in Java. In Java, a package can contain other packages, classes, or both.

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.