* Add External jar
- Project Property > Build Path > Configuration Build Path > Libraries > Add External JARs
* Generate Javadoc
- Window > Generate Javadoc
* Colors and Fonts
- Eclipse Menu > Window > Preference > General > Appearance > Colors and Fonts
* Tab, Indent
- Eclipse Menu > Window > Java > Code Style > Formatter > Indentation
-- Tab policy : Spaces only
-- Indentation size : 2
-- Tab size : 2
-- Show invisible characters : clear the check box
-- Export : C:\application\eclipse\eclipse-rcp-indigo-win32\eclipse\format_eclipse_oga.xml
- Eclipse Menu > Window > General > Editors > Text Editors
-- Displayed tab width : 2
-- Inset spaces for tabs : check
-- Show line numbers : check