4.0.0 com.mangmang learning-nexus 1.0.0 pom learning-nexus reactive-programming spring-data-jpa-read-write-separation spring-cloud-demo swing-and-javafx websocket 17 2.6.7 2021.0.2 ${java.version} ${java.version} UTF-8 0.16.0 org.springframework.boot spring-boot-dependencies ${spring-boot.version} pom import org.springframework.cloud spring-cloud-dependencies ${spring-cloud.version} pom import org.springframework.boot spring-boot-maven-plugin ${spring-boot.version}