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Multiple variables in one declaration

Reports multiple variables that are declared in a single declaration and suggest creating a separate declaration for each variable.

Some coding standards prohibit such declarations.

Example:

int x = 1, y = 2;

After the quick-fix is applied:

int x = 1; int y = 2;

Configure the inspection:

  • Use the Ignore 'for' loop declarations option to ignore multiple variables declared in the initialization of a 'for' loop statement, for example:

    for (int i = 0, max = list.size(); i > max; i++) {}
  • Use the Only warn on different array dimensions in a single declaration option to only warn when variables with different array dimensions are declared in a single declaration, for example:

    String s = "", array[];

New in 2019.2

Inspection options

Here you can find the description of settings available for the Multiple variables in one declaration inspection, and the reference of their default values.

Ignore 'for' loop declarations

Default: Selected

Only warn on different array dimensions in a single declaration

Not selected

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