Checkstyle is a tool that helps project members to follow coding conventions defined in the project. I love it, since it's hard, even when I've set the rules, to actually follow them. By using Checkstyle, preferrable with Apache Ant", I get all my coding errors listed in front of me. Attached is my Checkstyle "check" configuration
The initial file did not contain the encoding attribute on the XML processing instruction, making it invalid XML, since my name contains iso-8859-1 characters...