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'switch' statement without 'default' branch

Reports switch statements that do not contain default labels.

Adding the default label guarantees that all possible scenarios are covered, and it becomes easier to make assumptions about the current state of the program.

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.

SwitchStatementsWithoutDefault
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 | Control flow issues

Note that by default, the inspection does not report switch statements if all cases for enums or sealed classes are covered. Use the Ignore exhaustive switch statements option if you want to change this behavior.

Inspection options

Here you can find the description of settings available for the 'switch' statement without 'default' branch inspection, and the reference of their default values.

Ignore exhaustive switch statements

Default: Selected

Availability

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