PMD is a tool that looks for potential problems like possible bugs, dead code, suboptimal code, overcomplicated expressions or duplicate code.
 | SonarQube in Action (2013) by Campbell, G. Ann |
 | SonarQube in Action (2013) by Papapetrou, Patroklos |
 | Sonar Code Quality Testing Essentials (2012) by Arapidis, Charalampos S. |
