PMD is a code analyzer that can help find common programming problems such as unused variables, empty catch blocks, unnecessary object creation, and more. Initially supporting Java code only, JavaScript, Salesforce.com Apex and Visualforce, PLSQL, Apache Velocity, XML and XSL are now also supported.

PMD 6.52 is officially released, and the content of this update is as follows:

new rules

• New Java Rules InvalidJavaBean Beans that do not conform to the JavaBeans API specification, such as beans that lack getters or setters, can be identified.

<rule ref="category/java/design.xml/InvalidJavaBean"/>

renaming rules

• Java rules BeanMembersShouldSerialize has been renamed to NonSerializableClass.It has been modified to only check for Serializable class and report every field in it that is not serializable.

  Attributes prefix Deprecated because in a serializable class all fields must be serializable regardless of their name.

modified rules

• rule ClassNamingConventions has a new attribute testClassPatternwhich is applied to the test class
• rule ImmutableField properties of ignoredAnnotations Obsolete and no longer serves any purpose

For more details, please check: https://github.com/pmd/pmd/releases/tag/pmd_releases%2F6.52.0