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Lambda parameter naming convention

Reports lambda parameters whose names are too short, too long, or do not follow the specified regular expression pattern.

Example: Function<String, String> id = X -> X; should be reported if the inspection is enabled with the default settings in which a parameter name should start with a lowercase letter.

Configure the inspection:

Use the fields in the Options section to specify the minimum length, maximum length, and a regular expression expected for lambda parameter names. Specify 0 in order not to check the length of names.

Regular expressions should be specified in the standard java.util.regex format.

Inspection options

Here you can find the description of settings available for the Lambda parameter naming convention inspection, and the reference of their default values.

Pattern

[a-z][A-Za-z\d]*

Min length

1

Max length

20

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