Adding a lib / jar dependency to my project

Create new File System Connetion to the directory tha contains the external libs/jars

Now if you go Project properties  > Libraries and Classpath > ADF Library > Edit

You can see the lib  that you add it.

Note:

JDeveloper also makes the followng file

\Application1\ViewController\ADF_Library_Dependencies.library

where it writes all the dependencies:

which you can saafely delete.