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By Marone: July 2016

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Spring boot rest hello world

Goal

This article describes how to create a simple restful service with spring boot.

Used technologies

JDK 1.8
Maven 3.2

pom.xml

	<groupId>com.wstutorial.rest</groupId>
	<artifactId>rest-spring-boot-simple</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<packaging>jar</packaging>

	<parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>1.2.7.RELEASE</version>
	</parent>

	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<java.version>1.8</java.version>
	</properties>

	<dependencies>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-web</artifactId>
		</dependency>

		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-test</artifactId>
			<scope>test</scope>
		</dependency>
	</dependencies>
	<build>
		<plugins>
			<plugin>
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-maven-plugin</artifactId>
			</plugin>
		</plugins>
	</build> 

Resource: HelloWorldController

package com.wstutorial.rest;

import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class HelloWorldController {

    @RequestMapping("/")
    String hello() {
        return "Hello World!";
    }

}

The Application

package com.wstutorial.rest;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class HelloWorldApplication {
    public static void main(String[] args) {
        SpringApplication.run(HelloWorldApplication.class, args);
    }
}

Run the Application

If you using a IDE just run the HelloWorldApplication class
Or using command line:

mvn clean package
java -jar target\rest-spring-boot-simple-0.0.1-SNAPSHOT.jar

Call the url

http://localhost:8080

• spring boot