Java in the Age of the JVM

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Slides from my FOSDEM 2012 Java devroom talk.

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Java in the Age of the JVM

  1. 1. Java in the Age of the JVM 10.20.2005February 2012
  2. 2. http://redmonk.com/public/fosdem2012.pdf 2
  3. 3. One Year Ago 3
  4. 4. FOSDEM 2011 4
  5. 5. 5
  6. 6. Unanswered, however… 6
  7. 7. Java vs JVM 7
  8. 8. Language or Platform 8
  9. 9. “Almost all of the best Javadevelopers that I know (includingmany who ran Java user groups,podcasts, started well knownprojects) would choose to use Scalaon a new project rather than Java.” HN user: strlen 9
  10. 10. Java = JVM is the new “Java is Dead” 10
  11. 11. Some Numbers 11
  12. 12. And by some numbers,I mean a lot of numbers 12
  13. 13. HN 13
  14. 14. LinkedIn Growth 14
  15. 15. LinkedIn Members 15
  16. 16. GitHub Rankings1.  Java (5)2.  Scala (18)3.  Clojure (22)4.  Groovy (23) 16
  17. 17. GitHub Change 17
  18. 18. Ohloh Monthly Contributors 18
  19. 19. Ohloh Metrics OpenJDK Clojure Groovy JRuby ScalaCost $141M $ .792M $3.12M $9.92M $3.5MCommits 14707 2192 8012 14515 15020Committers 160 72 58 120 76YOY Increasing Decreasing Stable Stable StableCommits 19
  20. 20. The Wider World 20
  21. 21. Language Tiers 21
  22. 22. Tiobe Rankings1.  Java (1)2.  Groovy (36)3.  Scala (51*)4.  Clojure (NR)5.  JRuby (NR) 22
  23. 23. Employment Opportunities 23
  24. 24. So? 24
  25. 25. “Good news, everyone” 25
  26. 26. Java-the-language is still growing 26
  27. 27. And so are the JVM based languages 27
  28. 28. For Example 28
  29. 29. The lesson? 29
  30. 30. DON’T BELIEVE THE HYPE 30
  31. 31. Java is [still] not dead 31
  32. 32. Twitter: sogradyWeb: redmonk.com/sogrady 32

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