SpringBootプログラムの実行

<?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　https://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>2.2.2.BUILD-SNAPSHOT</version>
		<relativePath/>　<!--　lookup parent from repository　-->
	</parent>
	<groupId>com.w3codebox</groupId>
	<artifactId>spring-boot-application-run/artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<name>spring-boot-application-run/name>
	<description>Demo project for Spring Boot</description>
	<properties>
		<java.version>1.8</java.version>
	</properties>
	<dependencies>
		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter</artifactId>
	</dependency>
		　　<dependency>
　<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.2.1.RELEASE</version>
<type>pom</type>
</dependency>
<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>
			<exclusions>
				<exclusion>
					<groupId>org.junit.vintage</groupId>
					<artifactId>junit-vintage-engine</artifactId>
				</exclusion>
			</exclusions>
		</dependency>
	</dependencies>
	<build>
		<plugins>
			<plugin>
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-maven-plugin</artifactId>
			</plugin>
		</plugins>
	</build>
	<repositories>
		<repository>
			<id>spring-milestones</id>
			<name>Spring　Milestones</name>
			<url>https://repo.spring.io/milestone</url>
		</repository>
		<repository>
			<id>spring-snapshots</id>
			<name>Spring　Snapshots</name>
			<url>https://repo.spring.io/snapshot</url>
			<snapshots>
				<enabled>true</enabled>
			</snapshots>
		</repository>
	</repositories>
	<pluginRepositories>
		<pluginRepository>
			<id>spring-milestones</id>
			<name>Spring　Milestones</name>
			<url>https://repo.spring.io/milestone</url>
		</pluginRepository>
		<pluginRepository>
			<id>spring-snapshots</id>
			<name>Spring　Snapshots</name>
			<url>https://repo.spring.io/snapshot</url>
			<snapshots>
				<enabled>true</enabled>
			</snapshots>
		</pluginRepository>
	</pluginRepositories>
</project>

package com.w3codebox;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class SpringBootApplicationRun
{
　　　　public static void main(String[] args)　
　　　　{
　　　　　　　　SpringApplication.run(SpringBootApplicationRun.class, args);
　　　　}
}

package com.w3codebox;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class HelloWorldController　
{
　　　　@RequestMapping("/)
　　　　public String hello()　
　　　　{
　　　　　　　　return "Hello User";
　　　　}
}