Recap

We can program concurrency in any language on the JVM. In this chapter, we learned the following:

  • The Akka Java API can be readily used from multiple JVM languages including JRuby.

  • GPars brings Groovy elegance and Java performance to programming concurrency.

  • Pattern matching messages is not the only option; we can overload the message handler methods based on the message types in GPars.

  • When mixing APIs, we’ll run into a few language-level integration issues but nothing that’s insurmountable.

  • While we program concurrency, we can continue to enjoy the expressive and conciseness syntax of these modern JVM languages.

We’ve come a long way! In the next chapter, we’ll wrap up with recommendations for programming concurrency.

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