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Update getting started documentation to use @SpringBootApplication
Closes gh-32795
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@ -1016,4 +1016,7 @@ dependency-versions.coordinates=appendix.dependency-versions.coordinates
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dependency-versions.properties=appendix.dependency-versions.properties
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# gh-30405
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web.servlet.spring-mvc.json=features.json.jackson.custom-serializers-and-deserializers
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web.servlet.spring-mvc.json=features.json.jackson.custom-serializers-and-deserializers
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# gh-32795
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getting-started.first-application.code.enable-auto-configuration=getting-started.first-application.code.spring-boot-application
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@ -62,7 +62,7 @@ Open your favorite text editor and add the following:
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<!-- Additional lines to be added here... -->
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ifeval::["{spring-boot-artifactory-repo}" != "release"]
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<!-- (you do not need this if you are using a .RELEASE version) -->
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<!-- (you only need this if you are using a milestone or snapshot version) -->
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<repositories>
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<repository>
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<id>spring-snapshots</id>
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@ -160,10 +160,13 @@ See the {spring-framework-docs}/web.html#mvc[MVC section] in the Spring Referenc
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[[getting-started.first-application.code.enable-auto-configuration]]
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==== The @EnableAutoConfiguration Annotation
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The second class-level annotation is `@EnableAutoConfiguration`.
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This annotation tells Spring Boot to "`guess`" how you want to configure Spring, based on the jar dependencies that you have added.
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[[getting-started.first-application.code.spring-boot-application]]
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==== The @SpringBootApplication Annotation
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The second class-level annotation is `@SpringBootApplication`.
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This annotation is known as a _meta-annotation_, it combines `@SpringBootConfiguration`, `@EnableAutoConfiguration` and `@ComponentScan`.
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Of those, the annotation we're most interested in here is `@EnableAutoConfiguration`.
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`@EnableAutoConfiguration` tells Spring Boot to "`guess`" how you want to configure Spring, based on the jar dependencies that you have added.
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Since `spring-boot-starter-web` added Tomcat and Spring MVC, the auto-configuration assumes that you are developing a web application and sets up Spring accordingly.
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.Starters and Auto-configuration
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@ -17,12 +17,12 @@
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package org.springframework.boot.docs.gettingstarted.firstapplication.code;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RestController;
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@RestController
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@EnableAutoConfiguration
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@SpringBootApplication
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public class MyApplication {
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@RequestMapping("/")
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@ -16,13 +16,13 @@
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package org.springframework.boot.docs.gettingstarted.firstapplication.code
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import org.springframework.boot.autoconfigure.EnableAutoConfiguration
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import org.springframework.boot.autoconfigure.SpringBootApplication
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import org.springframework.boot.runApplication
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import org.springframework.web.bind.annotation.RequestMapping
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import org.springframework.web.bind.annotation.RestController
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@RestController
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@EnableAutoConfiguration
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@SpringBootApplication
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class MyApplication {
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@RequestMapping("/")
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