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Utility class can be 'enum'

Reports utility classes that can be converted to enums.

Some coding style guidelines require implementing utility classes as enums to avoid code coverage issues in private constructors.


class StringUtils { public static final String EMPTY = ""; }

After the quick-fix is applied:

enum StringUtils { ; public static final String EMPTY = ""; }

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Settings or Preferences | Editor | Inspections | Java | Class structure

This inspection depends on the Java feature 'Enums' which is available since Java 5.


By default bundled with

IntelliJ IDEA 2024.1, Qodana for JVM 2024.1,

Can be installed with plugin

Java, 241.18072

Last modified: 18 June 2024