Extension class should be final and non-public

Reports extension classes that are non-final or public.

Locating this inspection

By ID

Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.

ExtensionClassShouldBeFinalAndNonPublic

Via Settings dialog

Path to the inspection settings via IntelliJ Platform IDE Settings dialog, when you need to adjust inspection settings directly from your IDE.

Settings or Preferences | Editor | Inspections | Plugin DevKit | Code

New in 2023.2

Inspection Details
By default bundled with:	IntelliJ IDEA 2024.3, Qodana for JVM 2024.3,
Can be installed with plugin:	Plugin DevKit, 243.23126

Last modified: 03 December 2024