Redundant local variable
Reports unnecessary local variables that add nothing to the comprehensibility of a method, including:
Local variables that are immediately returned.
Local variables that are immediately assigned to another variable and then not used.
Local variables that always have the same value as another local variable or parameter.
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.
UnnecessaryLocalVariable- 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.
Configure the inspection:
Use the Ignore immediately returned or thrown variables option to ignore immediately returned or thrown variables. Some coding styles suggest using such variables for clarity and ease of debugging.
Use the Ignore variables which have an annotation option to ignore annotated variables.
Inspection ID: UnnecessaryLocalVariable
Inspection options
Here you can find the description of settings available for the Redundant local variable inspection, and the reference of their default values.
- Ignore immediately returned or thrown variables
Option ID:
m_ignoreImmediatelyReturnedVariablesDefault value:
Not selected- Ignore variables which have an annotation
Option ID:
m_ignoreAnnotatedVariablesNewDefault 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 | |
|---|---|
By default bundled with: |