How do you handle Spring application configuration?

Question

Accepted Answer

Spring app config can be handled using various methods such as XML configuration, Java configuration, and annotation-based configuration.

XML configuration involves creating an XML file and defining beans and their dependencies.
Java configuration involves creating a Java class and using annotations to define beans and their dependencies.
Annotation-based configuration involves using annotations to define beans and their dependencies.
Spring Boot provides a convenient way to handle app config using application.properties or application.yml files.
Profiles can be used to define different configurations for different environments.
Externalizing configuration can be done using environment variables or command-line arguments.

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