Teck4World: Spring Boot - Hello world example

This sample explains how to create spring boot hello world application

Tools and technologies used for this application are-

Spring Boot 1.5.4.RELEASE
JavaSE
Maven
Eclipse Neon

Here is project Structure

Step 01 - Create Maven project

File -> New -> Maven Project ->select Create a simple project ->Enter details and finish.

Step 02 - Add dependencies to pom.xml file

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.boraji.tutorial.springboot</groupId> <artifactId>spring-boot-hello-world-example</artifactId> <version>0.0.1-SNAPSHOT</version> <properties> <java.version>1.8</java.version> </properties> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>1.5.4.RELEASE</version> </parent> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> </plugin> </plugins> </build> </project>

Step 03 - Create Controller class(SpringBootController.java)

package com.boraji.tutorial.springboot.controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; @RestController public class SpringBootController{ @RequestMapping("/") public String sayHello() { return "Hello Spring Boot!!"; } }

Step 04 - Create Main Class(MainApplication.java)

package com.boraji.tutorial.springboot; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; @SpringBootApplication public class MainApplication{ public static void main(String[] args) { SpringApplication.run(MainApplication.class, args); } }

Step 05 - Run Application

Right click on MainApplication.java - > Run As -> Java Application