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This is a simple hello world example using Spring Framework 4. We will use Spring Boot and Spring Initializer to get things kicked off easily.

Video Tutorial

Follow this quick video tutorial to get a Spring Boot starter project.

Step by Step Instructions

Get Starter Project from Spring Initializer

Step One

  • Go to the Spring Initializer website via this link.
  • For our hello world example, all the defaults are fine.
  • Click the Generate Button.

Generate Project Button

This will download a zip file containing a starter project to your hard drive.

Import Project Into IntelliJ

Step Two

Unzip the contents of the downloaded file to a working directory.

You now have a basic Spring project using Maven. The downloaded file contains the default Maven project structure. At the root of the directory is a pre-configured POM that contains a Spring Boot dependency. The Spring Boot dependency has child dependencies for Spring Core modules.

Step Three

Import project into your IDE. Our favorite IDE is IntelliJ.

  • From IntelliJ go to File / New / Project from Existing Sources.
  • Locate the file pom.xml in the root folder of the downloaded project and click OK.
  • Click next from the Import from Maven screen.

Import Project from Maven

  • Select Maven Project, Click Next.

Import Project from Maven

 

  • Select the SDK to use. (You should select Java 1.8 or higher)

Import Project from Maven

 

  • Select name for the project. (Demo is fine for this)

Import project from Maven

  • At this point the Maven project has been imported into the IntelliJ IDE.

IntelliJ

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Update Code

Step Four

Create a HelloWorld class which will print ‘Hello World’ to the console in Java.

Step Five

Update the main method to get an instance of the HelloWorld bean from the Spring Context.

Run Project – Say Hello

Step Six

Run the main method.

. ____ _ __ _ _
/\\ / ___'_ __ _ _(_)_ __ __ _ \ \ \ \
( ( )\___ | '_ | '_| | '_ \/ _` | \ \ \ \
\\/ ___)| |_)| | | | | || (_| | ) ) ) )
' |____| .__|_| |_|_| |_\__, | / / / /
=========|_|==============|___/=/_/_/_/
:: Spring Boot :: (v1.2.2.RELEASE)
2015-03-11 10:25:18.981 INFO 7394 --- [ main] demo.DemoApplication : Starting DemoApplication on Johns-MacBook-Pro.local with PID 7394 (/Users/jt/src/springframework.guru/blog/hello-world-spring-4/demo/target/classes started by jt in /Users/jt/src/springframework.guru/blog/hello-world-spring-4/demo)
2015-03-11 10:25:19.050 INFO 7394 --- [ main] s.c.a.AnnotationConfigApplicationContext : Refreshing org.spring[email protected]3e57cd70: startup date [Wed Mar 11 10:25:19 EDT 2015]; root of context hierarchy
2015-03-11 10:25:20.143 INFO 7394 --- [ main] o.s.j.e.a.AnnotationMBeanExporter : Registering beans for JMX exposure on startup
2015-03-11 10:25:20.159 INFO 7394 --- [ main] demo.DemoApplication : Started DemoApplication in 1.517 seconds (JVM running for 2.092)
Hello World
2015-03-11 10:25:20.162 INFO 7394 --- [ Thread-1] s.c.a.AnnotationConfigApplicationContext : Closing org.spring[email protected]3e57cd70: startup date [Wed Mar 11 10:25:19 EDT 2015]; root of context hierarchy
2015-03-11 10:25:20.164 INFO 7394 --- [ Thread-1] o.s.j.e.a.AnnotationMBeanExporter : Unregistering JMX-exposed beans on shutdown
Process finished with exit code 0

Get The Code

Source Code

The source code for this post is available on github. You can download it here.

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