Unreadable numeric literal

Reports long numeric literals without underscores and suggests adding them. Underscores make such literals easier to read.

Example:

1000000

After the quick-fix is applied:

1_000_000

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.

InsertLiteralUnderscores

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

This inspection only reports if the language level of the project of module is 7 or higher.

New in 2020.2

Inspection Details
By default bundled with:	IntelliJ IDEA 2024.2, Qodana for JVM 2024.2,
Can be installed with plugin:	Java, 242.22892

Last modified: 11 September 2024