'char' expression used in arithmetic context
Reports expressions of the char type used in addition or subtraction expressions.
Such code is not necessarily an issue but may result in bugs (for example, if a string is expected).
Example: int a = 'a' + 42;
After the quick-fix is applied: int a = (int) 'a' + 42;
For the String context:
After the quick-fix is applied:
System.out.println(i2 + "-" + i1 + " = " + (i2 - i1));
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.
CharUsedInArithmeticContext- 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.
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: |