Design Patterns Java™ Workbook

Bridge (Chapter 6)

SOLUTION 6.1

Figure B.5 shows a completed sequence diagram that illustrates the normal steps in an application that uses a JDBC driver. Figure B.5. A typical JDBC application creates a Statement object and uses it to execute one or more queries.

SOLUTION 6.2

You have many choices about how to illustrate the class relationships in this example. Figure B.6 shows one answer. Your figure should show the relationship between JDBCAdapter and Statement. In UML, the open arrowhead on the association between JDBCAdapter and Statement indicates that a JDBCAdapter object can use or navigate to a Statement object, but a Statement object cannot ...