How Can I Set the Default Locale in the Java Virtual Machine?

Setting the Default Locale in the Java Virtual Machine

When working with locale-sensitive operations, it is often necessary to set the default locale of the Java Virtual Machine (JVM) to ensure consistency throughout the application. While the Locale.setDefault() method provides one option for specifying the default locale, there are also other methods that can be employed.

Command-Line JVM Parameters

One alternative to setting the locale via the Locale.setDefault() method is to specify it on the command line using JVM parameters. This can be achieved by passing the following parameters to the JVM:

• -Duser.country: Specifies the two-letter country code of the desired locale (e.g., CA for Canada).
• -Duser.language: Specifies the two-letter language code of the desired locale (e.g., fr for French).

Example:

This syntax will set the default locale of the JVM to French Canadian (fr_CA).

Additional Resources

For further details on setting the default locale in the JVM, refer to the Java Platform documentation:

• [Internationalization: Understanding Locale in the Java Platform - Using Locale](https://docs.oracle.com/javase/tutorial/i18n/locale/usingLocale.html)

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