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Spring(boot)ing to the Web With Java and Pom.xml

Following along as one developer shows you how to set up an app with Spring Boot using some Java and a single Pom.xml file.

· Java Zone

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This blog presents instructions on how to quickly get started with Spring Boot Hello World with just one Java file and a Pom.xml.

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Before getting to the files, make sure you have installed and configured the following:

  • Java: Set up Java_Home, as it is required by Maven.
  • Maven: Maven would be used to package our app.

Java Code Sample

Below is the code for the Java file. Make sure to create hello/HelloController.java file within src/main/java. This is required for Maven to package it correctly.

package hello;

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

import org.springframework.boot.*;
import org.springframework.boot.autoconfigure.*;
import org.springframework.web.bind.annotation.*;

public class HelloController {

    String home() {
        return "Hello World!";

    public static void main(String[] args) throws Exception {
        SpringApplication.run(HelloController.class, args);



Pom.xml Code Sample

The following is the code for the Pom.xml file. Make sure to put Pom.xml at the topmost level (alongside the src folder):

<?xml version="1.0" encoding="UTF-8"?>
<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">

    <!-- The main class to start by executing java -jar -->

    <!-- Additional lines to be added here... -->

Package and Run the App

Once you have created the file, execute the following command to run the code:

mvn package 
java -jar target/SpringBootSampleWeb-0.0.1.jar 

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java,spring boot

Published at DZone with permission of Ajitesh Kumar, DZone MVB. See the original article here.

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