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Constant on wrong side of comparison

Reports comparison operations where the constant value is on the wrong side.

Some coding conventions specify that constants should be on a specific side of a comparison, either left or right.


boolean compare(int x) { return 1 > x; // Constant '1' on the left side of the comparison }

After the quick-fix is applied:

boolean compare(int x) { return x < 1; }

Use the inspection settings to choose the side of constants in comparisons and whether to warn if null literals are on the wrong side.

New in 2019.2

Inspection options

Here you can find the description of settings available for the Constant on wrong side of comparison inspection, and the reference of their default values.

Constant should be on the|side of a comparison

Default setting: left

Other available settings:

  • right

Ignore 'null' on the wrong side

Not selected

Inspection Details

By default bundled with:

IntelliJ IDEA 2024.1, Qodana for JVM 2024.1,

Can be installed with plugin:

Java, 241.16690

Last modified: 29 April 2024