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.
Example:
void m() {
boolean b = true; //boolean variable 'b' is always inverted
System.out.println(!b);
}
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 BooleanVariableAlwaysNegated
More detailed instructions as well as other ways and options that you have can be found in the product documentation:
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Last modified: 18 September 2025