Get the Physical Data Model
1. Menu Operation
File, Reverse Engineer , Database, New Phycial Data Model
2. Connection
Add a connect to the target database
3. Choose tables to generate the models

Generate the Java Code
1. Menu Operation
Tools , Generate Object-Oriented Model, Detail, O/R Mapping,
Enable Transformations, Extended Model Definitions, O/R Mapping,      Hibernate

To be continued.