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src/test/scala/coursera/adventure contains the sample code for the "adventure game" lessons. It introduces the Try[T] monad that makes failure explicit.

src/test/scala/coursera/socket contains the sample code for the "network programming" lessons. It introduces the Future[T] monad that makes latency and failure explicit.

src/test/scala/coursera/combinators and src/test/scala/coursera/Extensions.scala contain various combinators and extensions on Future[T] using both async{ await{} } and val p = Promise[T](); ...; p.future.

src/test/scala/coursera/geocode and src/test/scala/coursera/usgs contain bindings and code for accessing the usgs earthquake and the geonames.org reverse geocode Web services. Earthequakes are exposed as an Observablestream, while rever geocoding of a single lat/lng pair returns a Future`.

src/test/scala/coursera/iterable shows how to do blocking file IO using iterables.

src/test/scala/coursera/rx contains the sample code for all the Rx examples, allowing you to play with Subscription, Observable[T] and Observer[T], the various subjects, and (TODO) schedulers.

Inevitably slides contain typos because we don't have IntelliJ integration in Keynote yet. When in doubt, consult the code samples here for the correct code.

You can build and run some of the examples with sbt and Eclipse or sbt and IntelliJ.

With sbt only: In the sbt console, execute test-only <name of the test you want to run>, for instance test-only coursera.rx.Subscriptions.

With sbt+Eclipse: In the sbt console, execute eclipse, then import the project into eclipse, right-click the name of the test you're interested in, and choose "Run As" > "Scala JUnit Test".

With sbt+IntelliJ: In the sbt console, execute gen-idea, then open the project in IntelliJ, right-click the name of the test you're interested in, and choose "Run 'TestName'".