String concatenation

Reports String concatenations. Concatenation might be incorrect in an internationalized environment and could be replaced by usages of java.text.MessageFormat or similar classes.

Example:

  String getMessage(String string, int number) {
    return string + number;
  }

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.

StringConcatenation

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 | Internationalization

Inspection options

Here you can find the description of settings available for the String concatenation inspection, and the reference of their default values.

Ignore for assert statement description arguments: Not selected
Ignore for 'System.out.print' arguments: Not selected
Ignore for 'System.err.print' arguments: Not selected
Ignore for constructor arguments of Throwable subclasses: Not selected
Ignore for initializers of constant fields: Not selected
Ignore inside toString() methods: Not selected

Inspection Details
By default bundled with:	IntelliJ IDEA 2024.3, Qodana for JVM 2024.3,
Can be installed with plugin:	Java, 243.23126

Last modified: 03 December 2024