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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, PLSQL, Apache Velocity, XML, XSL, Scala. Additionally it includes CPD, the copy-paste-detector. CPD finds duplicated code in C/C++, C#, Dart, Fortran, Go, Groovy, Java, JavaScript, JSP, Kotlin, Lua, Matlab, Objective-C, Perl, PHP, PLSQL, Python, Ruby, Salesforce.com Apex, Scala, Swift and Visualforce.
https://pmd.github.io/
BSD-style
PMD
github contributors
forth flaws creation common additionally ruby finds catch apache supports object includes scala detector python dart perl programming apex duplicated empty velocity matlab unused copy javascript fortran groovy kotlin objective unnecessary visualforce analyzer code blocks like plsql variables source paste salesforce java swift
Files download
File Operation
pmd-6.18.0.pom download
Apache Maven 
<dependency>
  <groupId>net.sourceforge.pmd</groupId>
  <artifactId>pmd</artifactId>
  <version>6.18.0</version>
  <type>pom</type>
</dependency>
Gradle Groovy 
implementation 'net.sourceforge.pmd:pmd:6.18.0'
Gradle Kotlin 
implementation("net.sourceforge.pmd:pmd:6.18.0")
Scala SBT 
libraryDependencies += "net.sourceforge.pmd" % "pmd" % "6.18.0"
Groovy Grape 
@Grapes(
  @Grab(group='net.sourceforge.pmd', module='pmd', version='6.18.0')
)
Apache Ivy 
<dependency org="net.sourceforge.pmd" name="pmd" rev="6.18.0" />
Leiningen 
[net.sourceforge.pmd/pmd "6.18.0"]
Apache Buildr 
'net.sourceforge.pmd:pmd:jar:6.18.0'
Dependencies
The project has no third-party dependencies