Java in the Age of the JVM

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sogrady

Slides from my FOSDEM 2012 Java devroom talk.

Technology News & Politics

Java in the Age of the JVM

10.20.2005
February 2012

http://redmonk.com/public/fosdem2012.pdf

2

“Almost all of the best Java
developers that I know (including
many who ran Java user groups,
podcasts, started well known
projects) would choose to use Scala
on a new project rather than Java.”
HN user: strlen

9

Java = JVM is the new
“Java is Dead”

10

And by some numbers,
I mean a lot of numbers

12

GitHub Rankings
1.  Java (5)
2.  Scala (18)
3.  Clojure (22)
4.  Groovy (23)

16

Ohloh Metrics
OpenJDK Clojure Groovy JRuby Scala

Cost $141M $ .792M $3.12M $9.92M $3.5M

Commits 14707 2192 8012 14515 15020

Committers 160 72 58 120 76

YOY Increasing Decreasing Stable Stable Stable
Commits

19

Tiobe Rankings
1.  Java (1)
2.  Groovy (36)
3.  Scala (51*)
4.  Clojure (NR)
5.  JRuby (NR)
22

Twitter: sogrady
Web: redmonk.com/sogrady

32

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Java in the Age of the JVM

1. Java in the Age of the JVM 10.20.2005 February 2012

2. http://redmonk.com/public/fosdem2012.pdf 2

3. One Year Ago 3

4. FOSDEM 2011 4

5. 5

6. Unanswered, however… 6

7. Java vs JVM 7

8. Language or Platform 8

9. “Almost all of the best Java developers that I know (including many who ran Java user groups, podcasts, started well known projects) would choose to use Scala on a new project rather than Java.” HN user: strlen 9

10. Java = JVM is the new “Java is Dead” 10

11. Some Numbers 11

12. And by some numbers, I mean a lot of numbers 12

13. HN 13

14. LinkedIn Growth 14

15. LinkedIn Members 15

16. GitHub Rankings 1.  Java (5) 2.  Scala (18) 3.  Clojure (22) 4.  Groovy (23) 16

17. GitHub Change 17

18. Ohloh Monthly Contributors 18

19. Ohloh Metrics OpenJDK Clojure Groovy JRuby Scala Cost $141M $ .792M $3.12M $9.92M $3.5M Commits 14707 2192 8012 14515 15020 Committers 160 72 58 120 76 YOY Increasing Decreasing Stable Stable Stable Commits 19

20. The Wider World 20

21. Language Tiers 21

22. Tiobe Rankings 1.  Java (1) 2.  Groovy (36) 3.  Scala (51*) 4.  Clojure (NR) 5.  JRuby (NR) 22

23. Employment Opportunities 23

24. So? 24

25. “Good news, everyone” 25

26. Java-the-language is still growing 26

27. And so are the JVM based languages 27

28. For Example 28

29. The lesson? 29

30. DON’T BELIEVE THE HYPE 30

31. Java is [still] not dead 31