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Document that use of non idiomatic format for '@Value' still apply for environment variables #49054

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2 changes: 1 addition & 1 deletion ...boot-docs/src/docs/antora/modules/reference/pages/features/external-config.adoc
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Expand Up @@ -1380,7 +1380,7 @@ If you do want to use javadoc:org.springframework.beans.factory.annotation.Value
This will allow Spring Boot to use the same logic as it does when xref:features/external-config.adoc#features.external-config.typesafe-configuration-properties.relaxed-binding[relaxed binding] javadoc:org.springframework.boot.context.properties.ConfigurationProperties[format=annotation].

For example, `@Value("${demo.item-price}")` will pick up `demo.item-price` and `demo.itemPrice` forms from the `application.properties` file, as well as `DEMO_ITEMPRICE` from the system environment.
If you used `@Value("${demo.itemPrice}")` instead, `demo.item-price` and `DEMO_ITEMPRICE` would not be considered.
If you used `@Value("${demo.itemPrice}")` instead, `demo.item-price` would not be considered; however, `DEMO_ITEMPRICE` from the environment would still be considered.
====

If you define a set of configuration keys for your own components, we recommend you group them in a POJO annotated with javadoc:org.springframework.boot.context.properties.ConfigurationProperties[format=annotation].
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