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'assert' statement with side effects

Reports assert statements that cause side effects.

Since assertions can be switched off, these side effects are not guaranteed, which can cause subtle bugs. Common unwanted side effects detected by this inspection are modifications of variables and fields. When methods calls are involved, they are analyzed one level deep.


assert i++ < 10;

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 | Probable bugs


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