4.0.0 org.springframework.boot spring-boot-starter-parent 2.3.4.RELEASE com.mashibing spring_design_pattern 0.0.1-SNAPSHOT spring_design_pattern Demo project for Spring Boot 17 org.springframework.boot spring-boot-starter-web org.springframework.boot spring-boot-starter-test test com.mashibing user_defined_springioc 1.0-SNAPSHOT org.springframework.boot spring-boot-maven-plugin