ClassCanBeStatic
Inner class is non-static but does not reference enclosing class

Severity
WARNING
Tags
Style, Performance

Alternate names: InnerClassMayBeStatic

The problem

An inner class should be static unless it references members of its enclosing class. An inner class that is made non-static unnecessarily uses more memory and does not make the intent of the class clear.

Suppression

Suppress false positives by adding the suppression annotation @SuppressWarnings("ClassCanBeStatic") to the enclosing element.