
Create spring boot application
First, you need to IntelliJ IDEA for development then click and download IntelliJ IDEA.
1. Click create new project button:

2. Create the Maven project:

3. Enter your project name:

4. Add the following dependency in the pom.xml file:
<dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> <version>2.5.1</version> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> <version>2.3.4.RELEASE</version> </dependency> </dependencies>
5. POM.xml file:
<?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"> <modelVersion>4.0.0</modelVersion> <groupId>org.example</groupId> <artifactId>Spring_Boot_Rest_APIs</artifactId> <version>1.0-SNAPSHOT</version> <properties> <maven.compiler.source>8</maven.compiler.source> <maven.compiler.target>8</maven.compiler.target> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> <version>2.5.1</version> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> <version>2.3.4.RELEASE</version> </dependency> </dependencies> </project>
6. Create one main class Application.java:
package com; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.boot.web.servlet.support.SpringBootServletInitializer; import org.springframework.web.WebApplicationInitializer; @SpringBootApplication public class Application extends SpringBootServletInitializer implements WebApplicationInitializer { public static void main(String[] arg){ SpringApplication.run(Application.class,arg); } }
7. Create one testing Controller class PingController.java:
package com.controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import org.springframework.web.bind.annotation.RestController; @RestController public class PingController { @RequestMapping(value = "/Hello", method = RequestMethod.GET) public String ping(){ return "Subscribe Technical Ramchander Youtube Channel"; } }
8. Now Run your application.java application-
First right-click in your application class and then click to run button

After running your application:


Go to Brower and run this URL –

Jai Hind Vande Mataram
Create spring boot application in IntelliJ idea