4.0.0 org.springframework.boot spring-boot-starter-parent 3.2.9 org.example quick_response 1.0-SNAPSHOT quick_response Quick response buzzer app 17 UTF-8 org.springframework.boot spring-boot-starter-web org.springframework.boot spring-boot-starter-websocket org.springframework.boot spring-boot-starter-test test org.springframework.boot spring-boot-maven-plugin