Utilities Event Bus Classifiers Event Stream Logging How to Log Loggers Logging to stdout during startup and shutdown SLF4J java.util.logging Scheduler Some examples From akka.actor.ActorSystem The Scheduler interface The Cancellable interface Duration Finite vs. Infinite Scala Java Deadline Circuit Breaker Why are they used? What do they do? Examples Java 8 Compatibility Akka Extensions Building an Extension Loading from Configuration Applicability Library extensions
