Spring Boot supports localized messages so that your application can cater to users
of different language preferences. By default, Spring Boot looks for the presence of
messages resource bundle at the root of the classpath.
The auto-configuration applies when the default properties file for the configured
resource bundle is available (i.e.
The basename of the resource bundle as well as several other attributes can be configured
spring.messages namespace, as shown in the following example:
MessageSourceProperties for more supported options.