Activated UncommentedEmptyConstructor PMD rule
<rule ref="category/java/multithreading.xml/UseNotifyAllInsteadOfNotify" />
<rule ref="category/java/documentation.xml/UncommentedEmptyMethodBody" />
+ <rule ref="category/java/documentation.xml/UncommentedEmptyConstructor" />
<rule ref="category/java/performance.xml/BooleanInstantiation" />
<rule ref="category/java/performance.xml/AppendCharacterWithChar" />
