Unnecessary 'null' check before 'equals()' call
Reports comparisons to null that are followed by a call to equals() with a constant argument.
Example:
if (s != null && s.equals("literal")) {}
After the quick-fix is applied:
if ("literal".equals(s)) {}
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.
SimplifiableEqualsExpression- 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.
Use the inspection settings to report equals() calls with a non-constant argument when the argument to equals() is proven not to be null.
Inspection options
Here you can find the description of settings available for the Unnecessary 'null' check before 'equals()' call inspection, and the reference of their default values.
- Report equals with non-constant not-null argument
Default: Selected
Availability
- By default bundled with
- Can be installed with plugin
Java, 241.18072
Last modified: 18 June 2024