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Confusing floating-point literal

Reports any floating point numbers that don't have a decimal point, numbers before the decimal point, or numbers after the decimal point.

Such literals may be confusing, and violate several coding standards.


double d = .03;

After the quick-fix is applied:

double d = 0.03;

Locating this inspection


Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.

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.

Settings or Preferences | Editor | Inspections | Java | Numeric issues

Use the Ignore floating point literals in scientific notation option to ignore floating point numbers in scientific notation.

Inspection options

Here you can find the description of settings available for the Confusing floating-point literal inspection, and the reference of their default values.

Ignore floating-point literals in scientific notation

Not selected


By default bundled with

IntelliJ IDEA 2024.1, Qodana for JVM 2024.1,

Can be installed with plugin

Java, 241.18072

Last modified: 18 June 2024