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Underscores in numeric literal

Reports numeric literals with underscores and suggests removing them with a quick-fix. This may be useful if you need to lower the language level.

The quick-fix removes underscores from numeric literals. For example 1_000_000 will be converted to 1000000.

Numeric literals with underscores appeared in Java 7. This inspection can help to downgrade for backward compatibility with earlier Java versions.

New in 2020.2

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