You can share one or more of a Project's Packages (and the objects within) for use with other Projects.
- Expand the Project’s META-INF folder. Double-click its MANIFEST.MF file to display its editor.
- Select the Runtime tab at the bottom.
- Click Add from the Exported Packages section.
- Select the Package(s) to be shared, and click OK.
- Click Save and close the editor.
Next: Allow another Project to use the objects within the Package(s) you just made available.