Simple example of spring boot with maven

In this post, we create a simple spring boot application with Maven.

Technology used:

Project: Maven project

SpringBoot Version: 2.6.5

Java: 8

Editor or IDE: Eclipse

How to create Maven Project in Eclipse?

First, create a project with a spring boot initializer and unzip in a specific path of file explorer then follow the below steps in eclipse:

1) Go to File Menu.

2) Click on import.

3) Click on Existing Maven Projects.

4) Browse the path of your project which is created by the spring-boot initializer.

5) Click on Finish.

How to run the application in Eclipse?

First, build and then run an application using the following steps: 

 Build application:

1) Right Click on your project in Project Explorer.

2) Click on Run As.

3) Click on Run Configurations...

4) Click on Maven Build (In the left panel of opened dialog)

5) Provide a Name of the configuration.

6) Click on Workspace and select your project.

7) Write "clean -X install" in Goals.

8) Click on Apply.

9) Click on Run.

Run application:

1) Right-click on src/main/java package of your project in Project Explorer.

2) Click on Run As.

3) Click on Java Application.

4) Write localhost:8080 in the browser. (We can change the port by using application.properties file, the default port is 8080)

Dependencies:

        <dependency>

<groupId>org.springframework.boot</groupId>

<artifactId>spring-boot-starter-web</artifactId>

</dependency>

Project Structure:

SimpleController.java:

@RestController

public class SimpleController {

@RequestMapping(value = "home")

public String hello() {

return "Hello World!";

}

       @RequestMapping(value = "home")

public String home() {

return "Welcome";

}

}

HelloworlddemoApplication.java:

@SpringBootApplication

public class HelloworlddemoApplication{

public static void main(String[] args) {

SpringApplication.run(HelloworlddemoApplication.class, args);

}

}

pom.xml:

Now First build the project and then run the project by following the above-mentioned steps.