PMD is a Java source code analyzer. It finds
unused variables, empty catch blocks, unnecessary
object creation, and more. It includes CPD, a tool to detect chunks of identical code.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.