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Utility class without 'private' constructor

Reports utility classes without private constructors.

Utility classes have all fields and methods declared as static. Creating private constructors in utility classes prevents them from being accidentally instantiated.

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.

UtilityClassWithoutPrivateConstructor
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 structure

Use the Ignore if annotated by option to specify special annotations. The inspection ignores classes marked with one of these annotations.

Use the Ignore classes with only a main method option to ignore classes with no methods other than the main one.

Inspection options

Here you can find the description of settings available for the Utility class without 'private' constructor inspection, and the reference of their default values.

Ignore if annotated by

Empty

Ignore classes with only a main method

Not selected

Inspection Details

By default bundled with:

IntelliJ IDEA 2024.2, Qodana for JVM 2024.2,

Can be installed with plugin:

Java, 242.22892

Last modified: 11 September 2024