Boolean variable is always inverted

Reports boolean variables or fields which are always negated when their value is used.

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.

BooleanVariableAlwaysNegated

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 | Data flow

Example:

      void m() {
        boolean b = true; //boolean variable 'b' is always inverted
        System.out.println(!b);
      }

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

Last modified: 03 December 2024