4.0.0 com.example demo 0.0.1-SNAPSHOT jar demo Demo project for Spring Boot org.springframework.boot spring-boot-starter-parent 4.0.0 UTF-8 UTF-8 21 org.springframework.boot spring-boot-starter-web org.springframework.boot spring-boot-test org.springframework.boot spring-boot-maven-plugin org.apache.maven.plugins maven-surefire-plugin 3.0.0-M3