Unnecessary 'null' check before method call
Reports null checks followed by a method call that will definitely return false when null is passed (e.g. Class.isInstance).
Such a check seems excessive as the method call will always return false in this case.
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.
PointlessNullCheck- 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.
Inspection ID: PointlessNullCheck
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:
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By default bundled with: |