A set of checkstyle checks and pmd rules that will be reported on by maven, eclipse can also be configured to pick the configuration
up automatically with m2e and https://github.com/m2e-code-quality/m2e-code-quality. Easily overrideable in children pom files by the
use of properties.
Download JD-GUI to open JAR file and explore Java source code file (.class .java)
Click menu "File → Open File..." or just drag-and-drop the JAR file in the JD-GUI window StaticAnalysisConf-1.0.4.jar file.
Once you open a JAR file, all the java classes in the JAR file will be displayed.