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pmd

PMD is a source code analyzer. It finds common programming flaws like unused variables, empty catch blocks, unnecessary object creation, and so forth. It supports Java, JavaScript, Salesforce.com Apex and Visualforce, Modelica, PLSQL, Apache Velocity, HTML, XML, XSL, Scala. Additionally it includes CPD, the copy-paste-detector. CPD finds duplicated code in C/C++, C#, Dart, Fortran, Gherkin, Go, Groovy, HTML, Java, JavaScript, JSP, Kotlin, Lua, Matlab, Modelica, Objective-C, Perl, PHP, PLSQL, Python, Ruby, Salesforce.com Apex, Scala, Swift and Visualforce.
https://pmd.github.io/
BSD-style
PMD
github contributors
code scala source paste empty apex plsql objective salesforce duplicated dart java apache finds common analyzer fortran supports html catch copy perl gherkin programming creation swift matlab visualforce variables python modelica like blocks kotlin unnecessary includes velocity forth javascript ruby groovy additionally flaws unused detector object
Files download
File Operation
pmd-6.54.0.pom download
Apache Maven 
<dependency>
  <groupId>net.sourceforge.pmd</groupId>
  <artifactId>pmd</artifactId>
  <version>6.54.0</version>
  <type>pom</type>
</dependency>
Gradle Groovy 
implementation 'net.sourceforge.pmd:pmd:6.54.0'
Gradle Kotlin 
implementation("net.sourceforge.pmd:pmd:6.54.0")
Scala SBT 
libraryDependencies += "net.sourceforge.pmd" % "pmd" % "6.54.0"
Groovy Grape 
@Grapes(
  @Grab(group='net.sourceforge.pmd', module='pmd', version='6.54.0')
)
Apache Ivy 
<dependency org="net.sourceforge.pmd" name="pmd" rev="6.54.0" />
Leiningen 
[net.sourceforge.pmd/pmd "6.54.0"]
Apache Buildr 
'net.sourceforge.pmd:pmd:jar:6.54.0'
Dependencies
The project has no third-party dependencies