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Boolean constructor call

Reports creation of Boolean objects.

Constructing new Boolean objects is rarely necessary, and may cause performance problems if done often enough. Also, Boolean constructors are deprecated since Java 9 and could be removed or made inaccessible in future Java versions.


Boolean b1 = new Boolean(true); Boolean b2 = new Boolean(str);

After the quick-fix is applied:

Boolean b1 = Boolean.TRUE; Boolean b2 = Boolean.valueOf(str);

Locating this inspection


Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.

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 | Performance


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