4.0.0 org.springframework.boot spring-boot-starter-parent 3.4.5 cn.qinys.learn design-pattern 0.0.1-SNAPSHOT design-pattern demo 21 org.springframework.boot spring-boot-starter-web org.projectlombok lombok true org.springframework.boot spring-boot-starter-test test org.apache.maven.plugins maven-compiler-plugin org.projectlombok lombok org.springframework.boot spring-boot-maven-plugin org.projectlombok lombok