First unzip the j2ee-1_4-doc-tutorial_*.zip,it will create the j2eetutorial14.
After that, u have to copy the jbossj2ee-src.zip file into j2eetutorial14 folder and unzip it.
Go to the folder path <DUKES_HOME>/j2eetutorial14/examples/bank
and run all the ant commands using jboss-build.xml file as specified in JBoss Startup Guide Chapter 4.
For database creation and insertion, go to the path <DUKES_HOME>/j2eetutorial14/examples/bank/sql and run the database specific ant commands.