When you startup JDeveloper, default it gives you a “Tip of the day”. I always enjoy reading these tips and I would like to share this one with you: 
When you startup JDeveloper, default it gives you a “Tip of the day”. I always enjoy reading these tips and I would like to share this one with you:
![Oracle Database 10g Release 2 – SQL and PL/SQL Features]({"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"http:\/\/seattletimes.nwsource.com\/ABPub\/2012\/08\/02\/2018836700.jpg","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"0"} "Oracle Database 10g Release 2 – SQL and PL/SQL Features")
The Tips shown at startup are located in the file tip.jar in the directory [jdeveloper10_1_3_HOME]\jdev\doc\studio_doc\ohj. The tip encountered by Alex is file tip_microwave.html in this jar-file.
It would seem you can add your own tips by creating additional html documents in this jar-file, and registering them in the f1_ti_map.smp file in the jar-file. If you can sneak in some tips in here, I am sure you can delight all your colleagues!
Somebody lost his Easter egg at Oracle??