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The Future of Java

Holly Cummins
May 11, 2022
Programming
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500

The Future of Java

Holly Cummins

May 11, 2022
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Transcript

  1. The Future of Java May 11, 2022 Holly Cummins Red

    Hat

  2. @holly_cummins #RedHat

  3. @holly_cummins #RedHat

  4. @holly_cummins #RedHat “sure, I can steal Mark Little’s talk” me

  5. @holly_cummins #RedHat

  6. @holly_cummins #RedHat

  7. @holly_cummins #RedHat

  8. @holly_cummins #RedHat to understand Java’s future we must understand its

    past 1820s

  9. @holly_cummins #RedHat 1999

  10. @holly_cummins #RedHat book about 1cm thick 1999

  11. @holly_cummins #RedHat on-prem dedicated hardware long-lived processes

  12. @holly_cummins #RedHat

  13. @holly_cummins #RedHat 2013

  14. @holly_cummins #RedHat 2013

  15. @holly_cummins #RedHat microservices

  16. @holly_cummins #RedHat servers are immutable

  17. @holly_cummins #RedHat servers are disposable servers are immutable

  18. @holly_cummins #RedHat

  19. @holly_cummins #RedHat

  20. @holly_cummins #RedHat

  21. @holly_cummins #RedHat

  22. @holly_cummins #RedHat

  23. @holly_cummins #RedHat turning it off and on again needs to

  24. @holly_cummins #RedHat turning it off and on again needs to

  25. @holly_cummins #RedHat turning it off and on again needs to

    • be fast

  26. @holly_cummins #RedHat turning it off and on again needs to

    • be fast • actually work (idempotency)

  27. @holly_cummins #RedHat

  28. @holly_cummins #RedHat

  29. @holly_cummins #RedHat

  30. @holly_cummins #RedHat Mark Little

  31. @holly_cummins #RedHat Java servers are not very much like light

    switches

  32. @holly_cummins #RedHat Java servers are not very much like light

    switches

  33. @holly_cummins #RedHat Java servers are not very much like light

    switches (historically)

  34. @holly_cummins #RedHat my Java journey

  35. @holly_cummins #RedHat 1999

  36. @holly_cummins #RedHat how I learned Java 1999

  37. @holly_cummins #RedHat 2017

  38. @holly_cummins #RedHat 2015

  39. @holly_cummins #RedHat 2017 I (kind of, mostly) JavaScript me

  40. @holly_cummins #RedHat 2022

  41. @holly_cummins #RedHat I JavaScript fast start time functional expressive great

    developer experience

  42. @holly_cummins #RedHat I JavaScript fast start time functional expressive great

    developer experience (ish)

  43. @holly_cummins #RedHat it’s good to be back

  44. @holly_cummins #RedHat rapid release cadence we get presents every six

    months Java 18

  45. @holly_cummins #RedHat rapid release cadence we get presents every six

    months Java 18 rapid release cadence we get features every six months

  46. @holly_cummins #RedHat java has shifted to the cloud

  47. @holly_cummins #RedHat 13 MB footprint 0.014 s startup time modern

    Java REST app https://blog.openj9.org/2020/01/16/quarkus-and-eclipse-openj9-exceptional-performance-across-platforms/ https://www.redhat.com/en/resources/quarkus-infographic-supersonic-subatomic-java

  48. @holly_cummins #RedHat ~= developers cloud environment

  49. @holly_cummins #RedHat kubernetes-native Java

  50. @holly_cummins #RedHat kubernetes-native Java performance p e r f o

    p e r f or m a

  51. @holly_cummins #RedHat kubernetes-native Java performance p e r f o

    p e r f or m a operations o p e r at i o ns ( d

  52. @holly_cummins #RedHat kubernetes-native Java performance (high density) operations (declarative) developers

    (frictionless experience)

  53. @holly_cummins #RedHat JVM + JDK

  54. @holly_cummins #RedHat JVM + JDK

  55. @holly_cummins #RedHat JVM + JDK binary distributions

  56. @holly_cummins #RedHat JVM + JDK binary distributions

  57. @holly_cummins #RedHat JVM + JDK binary distributions frameworks

  58. @holly_cummins #RedHat cross-release compatibility JVM + JDK binary distributions frameworks

  59. @holly_cummins #RedHat cross-release compatibility stability JVM + JDK binary distributions

    frameworks

  60. @holly_cummins #RedHat cross-release compatibility stability performant JVM + JDK binary

    distributions frameworks

  61. @holly_cummins #RedHat cross-release compatibility stability performant cross-vendor co-operation JVM +

    JDK binary distributions frameworks

  62. @holly_cummins #RedHat cross-release compatibility stability performant cross-vendor co-operation rapid iteration

    JVM + JDK binary distributions frameworks

  63. @holly_cummins #RedHat cross-release compatibility stability performant cross-vendor co-operation rapid iteration

    cloud native JVM + JDK binary distributions frameworks

  64. @holly_cummins #RedHat cross-release compatibility stability performant cross-vendor co-operation rapid iteration

    cloud native kubernetes-native JVM + JDK binary distributions frameworks

  65. @holly_cummins #RedHat cross-release compatibility stability performant cross-vendor co-operation rapid iteration

    cloud native kubernetes-native JVM + JDK binary distributions frameworks easy

  66. @holly_cummins #RedHat cross-release compatibility stability performant cross-vendor co-operation rapid iteration

    cloud native kubernetes-native JVM + JDK binary distributions frameworks easy easy

  67. @holly_cummins #RedHat thank you! (and enjoy the real Simon Maple)