The AllegroGraph java examples can be imported into Eclipse and built as follows. If you do not yet have the examples, please download them to any convenient directory on your system.
In Eclipse:
Import ...->General->Existing Projects into Workspace, and click Next.
AllegroGraphExamples-3.0.jar. Click OK. Ensure the project AllegroGraph 3.0 Examples is selected and click Finish. You should now have the project in the Package Explorer.