February 16, 2012 6:00 PM. 84 attended.
Scala > Java
For our February 16th event we are happy to welcome one of our own very own, Dan Rosen, who offered to re-introduce us to the exciting world of Scala. In fact, if it were up to him, we wouldn't be using Java at all!
Java is no longer alone on the JVM. It now has to share space with its younger siblings JRuby, Jython, Groovy, Clojure, Scala and many others. Each new language has its own set of advantages and disadvantages compared to Java, and its own niche in which it performs best, but Scala in particular is gaining momentum. We'll introduce Scala to Java developers and show off some of its expressive power -- higher-order functions, type inference, pattern matching and monadic comprehensions -- by building a simple web service. You'll never look at Java the same way.
Venue, food, drinks, giveaways will be provided by our sponsors.
About Dan Rosen:
Dan Rosen believes in beautiful code. Beautiful code is understandable and maintainable, it is self-documenting and self-testing, it is robust and scalable, it can be composed and reused. Beautiful code doesn't come around every day, and even the most elegant code can still have its warts, but when you see beautiful code, you know it.
For twelve years, Dan has been doing his best to write and help others write some damn fine code. Dan is author of Marakana's Scala training course, the latest addition to the Marakana course catalog. Before joining Marakana, he worked as a Developer Advocate at Atlassian, teaching developers how to write plugins for Atlassian's collaboration and development tools. Prior to Atlassian, Dan worked in both engineering and sales for Coverity, helping developers maintain code quality using Coverity's sophisticated static and dynamic analysis tools.
Between Coverity, Atlassian and Marakana, his tutorials have covered C/C++ best practices, Java web development (including Maven, Spring, OSGi, Guava, and RESTful web services using Jersey and Jackson), front-end development using jQuery, and functional programming with Scala.
Dan's latest hobby is lurking on StackOverflow as user "mergeconflict," waiting for tricky Haskell and Scala language questions to jump on.
You can follow Dan on twitter @mergeconflict
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David Kaye
That's Valentine's Day - Any possibility of moving this to a different date?
Posted January 12 at 10:08 AM -
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Sujit Pal
yeah, me too... would love to attend, but not on valentine's day, in enough trouble with the missus as it is :-).
Posted January 13 at 2:09 PM -
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Suyash Joshi
btw those who might be interested in Java 7 and Java 8, check out Java Virtual Day coming up: https://oracle.6connex.com/portal/Java/login
Posted February 10 at 8:02 PM -
Marko Gargenta
Super interesting talk. Scala is definitely something to keep an eye on.
Posted February 14 at 11:59 AM -
Max Walker
We won't be streaming this event, but we will record video of it and post it online for you guys after the talk
Posted February 15 at 11:04 AM | 2 likes -
Neeral Beladia
@Max, Was the event recorded ? Could you please post the link. Thanks !
Posted February 20 at 9:19 AM -
Johanne Quiambao
@Neeral: the footage is still being edited, but we'll send out the link as soon as it's ready! stay tuned!
Posted February 21 at 9:57 AM -
Chin Keong Ling
How about the slides? Does anyone has Dan Rosen's email address so that I can email him directly? Even better if he can post it somewhere and link it here. Thanks.
Posted February 21 at 10:13 AM -
Rob Nikzad
@Chin: here are the slides - https://marakana.com/static/courseware/scala/presentation/...
- additionally, check out dan's video on monads here - http://mrkn.co/7cjeaPosted February 21 at 10:41 AM | 1 like -
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Max Walker
Hi guys, here is the video recording of the talk: http://mrkn.co/hhgnl
Posted February 23 at 2:27 PM | 1 like -
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Aleksandar GargentaEvent HostOrganizerScala is definitely something I'll be paying attention to... even look for a project to get my hands dirty and check it out. I think Dan did a great job demonstrating how Scala improves on Java, though I wish he had the time to cover its concurrency model (actors) as well as integration with Java. I think we'll have to bring him back to finish the job :-)
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PASAwesome topic... but needed more time... or less audience participation... or a more focused presenter... in any case... it was great
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Ryan KennedyIt took a long time to get to the punchline and I'm not certain anyone in the room was completely sold that Scala > Java. There are also some operational aspects of Scala that weren't divulged, where Java is, most certainly, > than Scala.Checked-in
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ShreeInformative session. My introduction to Scala was good but could have been better. It was a long session that captured less content than promised. It didn't give me enough to apply Scala in projects. Wish the session included some tidbits on tools, best practices, testing. I guess I have to push myself to start playing with it.
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Morgan ConradDan did a great job. If I may offer a couple minor criticisms of his presentation, I think the time spent comparing lazy var to three semi-obsolete Java idioms would have been better used elsewhere. Also, using more Java syntax in the example code (instead of pure Scala), at least in places, would have helped me. As for Scala, I'm beginning to "get it". Some of the new features seem of little or dubious use to me. Making it easy to create singletons, and switching on instanceof, strike me as bad ideas. And easy to create Data Transfer objects are nice, but means more Anemic Domain Models. On the plus side: Mixins are a great way to add "mini-wrappers". I'm fascinated that control structures, even { }, have a return value. Some of the fancy match code was cool. Filters/partitions should have been added to Java collections long ago. And Actors get rave reviews for concurrency.
Now that Scala finally has decent IDE support, I'll give it a longer look. Thanks Dan!
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Matthew WardGreat talk, very deep an informative. Maybe a little too much depth of material in not enough time, but still very cool an exciting.
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Sujit PalI actually thought the talk was going to be about how to go /from/ Scala to Java, or something along the lines of how to integrate Scala code into a Java environment. Missed the Scala /greater-than/ Java - but this was good too. I've just played with Scala (never used in production), and some of the things Dan said gave me some new insights.
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Saurabh Mahajantoo much detail on the nitty gritty, more examples and a faster pace would have been nice.
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Konstantin ZheludkovToo much small codding details was covered on the meeting but I would like to understand all power of this language.
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David GangarapuDan, needs to hone up his presentation skills... He definitely is a subject matter expect...
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