4.0.0 hello-akka-java app 1.0 2.9.2 akka-repository Akka library repository https://repo.akka.io/maven com.typesafe.akka akka-actor-typed_2.13 ${akka.version} ch.qos.logback logback-classic 1.2.13 com.typesafe.akka akka-actor-testkit-typed_2.13 ${akka.version} test junit junit 4.13.2 test org.apache.maven.plugins maven-compiler-plugin 3.8.1 17 17 org.codehaus.mojo exec-maven-plugin 3.0.0 java -classpath com.example.AkkaQuickstart