Unnecessary 'null' check before 'equals()' call
Reports comparisons to null that are followed by a call to equals() with a constant argument.
Example:
After the quick-fix is applied:
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 value:
Selected
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:
More detailed instructions as well as other ways and options that you have can be found in the product documentation:
Inspection Details | |
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By default bundled with: |