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Local variable naming convention

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

Example: int X = 42; should be reported if the inspection is enabled with the default settings in which a variable name should start with a lowercase letter.

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.

LocalVariableNamingConvention
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 | Naming conventions

Configure the inspection:

Use the fields in the Options section to specify the minimum length, maximum length, and a regular expression expected for local variable names. Specify 0 in order not to check the length of names. Regular expressions should be specified in the standard java.util.regex format.

Use checkboxes to ignore for-loop and catch section parameters.

Inspection options

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

Pattern

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

Min length

1

Max length

20

Ignore for-loop parameters

Not selected

Ignore 'catch' block parameters

Not selected

Availability

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