How to access defined connection in my project

I am new to JDeveloper,
I created a "Connection1" through Connection Wizard and store it under the Connections node in the System Navigator. I also tested it, it works fine itself.
According to online helper "All defined connections to external data sources are stored under this node. All defined connections are accessible to any workspace or project."
But how to use this "Connection1" in my Java Program? I just couldn't seem to find any example.
Thanks for help.

The Online Help has some nice tutorials to work with BC4J. There you will learn more about the wizards. JDev is not just for creating Java classes ;-). With BC4J you have a complete framework do access your DB, define your business logic, etc. I used the tutorials in the online help and the JDeveloper Handbook from McGraw-Hill. The new one covers JDev 9.0.3 as well.
Axel

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