Peace be with you

At individual level
In Eclipse IDE use following files and share with team to maintain consistency.

PMD-rules-eclipse.xml
Eclipse-Clean-Config.xml
Eclipse-Code-Formatter.xml
Eclipse-Code-Template.xml
Eclipse-Import-Order.importorder

TestNG Test Cases
Emma plug in to check code coverage
Tie the memory and performance numbers to test cases

At team level
What happens in Hudson?
Configure following in Hudson, so that it is easy to check after each build.

Code Coverage Report
Open Tasks Report
PMD Report
Surefire Test Report

At organizational level
How to compare different projects / modules in organization?
Use SONAR and use maven plug in to push the data to Sonar server.

Code Coverage
Comments
Complexity
Lines of Code
PMD
Test Success

References:
http://java.net/projects/hudson/
http://www.sonarsource.org/
http://pmd.sourceforge.net/
http://emma.sourceforge.net/

Here are the best tools I used for continuous integration.

More information – http://en.wikipedia.org/wiki/Continuous_Integration

***** Hudson – http://hudson-ci.org/ (This is having lot of plugins. Which are easy to configure and use.)
**** Continuum – http://continuum.apache.org/ (A little bit confusing with compare to Hudson)
*** CruiseControl – http://cruisecontrol.sourceforge.net/

-o-