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Spring Boot FAQ: Top Questions

48. How does Spring Boot support internationalization (i18n)?

Spring Boot supports i18n through message source configuration and resource bundles for different locales.

🗺️ Steps:

  1. Create messages.properties and locale-specific files like messages_fr.properties.
  2. Configure LocaleResolver and MessageSource.

📥 Example:

message.greeting=Hello
# messages_fr.properties
message.greeting=Bonjour

🏆 Expected Output:

Locale-specific greeting based on user locale.

🛠️ Use Cases:

  • Multilingual web applications.
  • Localization of error messages and UI content.
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