eclipse

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Git plugin
# http://www.vogella.com/tutorials/EclipseGit/article.html
http://download.eclipse.org/egit/updates

WindowBuilder (Java GUI creator plugin)
http://www.eclipse.org/windowbuilder/

sudo eclipse
install new software:
http://download.eclipse.org/windowbuilder/WB/release/R201209281200/4.2/

Global settings
/usr/lib/eclipse/eclipse.ini

OPTIONAL: change editor line break to 240 char
Project > Properties
Configure Worksapece Settings
Edit
Line Wraping
Maximum line widht: 240

Links
http://www.youtube.com/watch?v=WY9QbOdWkn0 - create Java Gui Tutorial (german)
http://code.google.com/intl/de/eclipse/docs/install-eclipse-3.5.html
http://sourceforge.net/projects/shelled/

You can install the plugin using the Eclipse Update Manager:

Help > Install new Software
Work with: http://hge.javaforge.com/hgeclipse
[ Add... ]
[ OK ]
check HqEclipse
[ Next > ]
[ Next > ]
check "I accept the terms of the license agreement"
[ Finish ]

confirm Security Warnings dialog with [ OK ]

Restart your Eclipse

https://j2m.googlecode.com/hg/
https://hgeclipse-demo.googlecode.com/hg/

http://code.google.com/p/hgeclipse-demo/