Eclipse

* 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