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TSSJS 2011 - JRuby
TSSJS 2011 - JRuby
TSSJS 2011 - JRuby
TSSJS 2011 - JRuby
TSSJS 2011 - JRuby
TSSJS 2011 - JRuby
TSSJS 2011 - JRuby
TSSJS 2011 - JRuby
TSSJS 2011 - JRuby
TSSJS 2011 - JRuby
TSSJS 2011 - JRuby
TSSJS 2011 - JRuby
TSSJS 2011 - JRuby
TSSJS 2011 - JRuby
TSSJS 2011 - JRuby
TSSJS 2011 - JRuby
TSSJS 2011 - JRuby
TSSJS 2011 - JRuby
TSSJS 2011 - JRuby
TSSJS 2011 - JRuby
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TSSJS 2011 - JRuby

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  • Transcript

    • 1. JRuby is Awesomea.k.a Pump It Up: Maximizing the Value of an Existing Investment in Java with Ruby
    • 2. Me• Charles Oliver Nutter (“headius”)• JRuby Guy• JVM Languages Guy• Ex-Sun Guy• Engine Yard Guy
    • 3. You• Java developers? • Let’s call ourselves JVM developers now.• Other languages?• Other platforms?
    • 4. Why JVM?• Inertia• Wealth of libraries• Widely accepted• Momentum is coming back• Awesome VM, best platform
    • 5. Why Not JVM?• Alternative languages?• Cumbersome standards?• New shiny? Cool factor?• Tooling woes?• Native library/OS features?
    • 6. What If?
    • 7. JRuby• Ruby language on the JVM• Solid, reliable implementation• Production users: finance, gov’t, infrastruct• Integrates well with JVM langs, libs• Deploys on Java servers• Large, active community
    • 8. Language• Ruby is a beautiful, fun language • A standard by which others are judged• Wealth of books, resources, conferences • Healthy, growing community• JRuby brings Ruby to Java and Java to Ruby • Part of the family!
    • 9. A Taste of Ruby
    • 10. Java, of Course• Call Java libraries • ...and decorate them• Impl interfaces, extend classes• Die, CLASSPATH, die!• Fixing JDK issues (JDBC unloading...)
    • 11. Java Integration
    • 12. Tooling• Unit testing: test/unit• Spec/behavior-driven: rspec• Build, automation: rake• Packaging: rubygems
    • 13. Tooling
    • 14. Web Development• Full-size apps: Rails• Services, micro apps: Sinatra• Deployment: • Command-line servers like Trinidad • WAR deployment with Warbler
    • 15. Web Dev
    • 16. Native Access• Better process, filesystem, IO • Process control • Symlinks, globbing • Easy non-blocking IO• FFI for binding any native library
    • 17. Native Access
    • 18. Other Targets• Engine Yard AppCloud• Google AppEngine• Amazon Elastic BeanStalk• Android
    • 19. What Next?• www.jruby.org• Book: “Using JRuby” from Pragmatic• Conferences near your home town • Inexpensive and fun• User groups, mailing lists• www.engineyard.com/jruby
    • 20. Thank You!

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