Inspectopedia 2025.3 Help

Inner class too deeply nested

Reports classes whose number of nested inner classes exceeds the specified maximum.

Nesting inner classes inside other inner classes is confusing and indicates that a refactoring may be necessary.

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.

InnerClassTooDeeplyNested
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 | Java | Class metrics

Use the Nesting limit field to specify the maximum allowed nesting depth for a class.

Inspection ID: ClassNestingDepth

Inspection options

Here you can find the description of settings available for the Inner class too deeply nested inspection, and the reference of their default values.

Nesting limit

Option ID:

m_limit

Default value:

1

Suppressing Inspection

You can suppress this inspection by placing the following comment marker before the code fragment where you no longer want messages from this inspection to appear:

//noinspection InnerClassTooDeeplyNested

More detailed instructions as well as other ways and options that you have can be found in the product documentation:

Inspection Details

By default bundled with:

IntelliJ IDEA 2025.3, Qodana for JVM 2025.3,

Last modified: 03 December 2025