/spring-boot-hello-world

A simple Spring Boot app to send hello world message to a user

Primary LanguageJava

Spring Boot Hello World

A simple Spring Boot app to send hello world message to a user

How to Run Application

Start the application using any of the commands mentioned below

Note: First two commands need to run inside the root folder of this project i.e inside the spring-boot-hello-world folder

  • Using maven
    mvn spring-boot:run

  • From jar file Create a jar file using 'mvn clean install' command and then execute
    java -jar target/hello-world-1.0.1-SNAPSHOT.jar

  • Directly from IDE
    Right click on HelloWorldApplication.java and click on 'Run' option

Note: By default spring boot application starts on port number 8080. If port 8080 is occupied in your system then you can change the port number by uncommenting and updating the server.port property inside the application.properties file that is available inside the src > main > resources folder.


Send an HTTP GET request to '/hello' endpoint using any of the two methods

  • Browser or REST client
    http://localhost:8080/hello

  • cURL
    curl --request GET 'http://localhost:8080/hello'

How to Run Unit Test Cases

Run the test cases using any of the commands mentioned below

Note: These commands need to run inside the root folder of this project i.e inside the spring-boot-hello-world folder

  • To run all the test cases
    mvn test

  • To run a particular test class
    mvn -Dtest=HelloWorldControllerTest test
    or
    mvn -Dtest=HelloWorldApplicationTests test