Future of Java

•

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Eberhard Wolff

Future of Java talk at Java Gruppen during JAOO 2009

Tecnologia Educação

High Productivity
Tools
Spring Enterprise
Groovy and Grails
SpringSource Tool
Suite
Lean Powerful
Runtimes
SpringSource tc Server
SpringSource dm Server
SpringSource http
Server
Application Infrastructure
Management
SpringSource Hyperic HQ
SpringSource Hyperic IQ
Unifying
the
Applica0on
Lifecycle:

from
Developer
to
Datacenter

Run

Manage

Build

The JVM is
installed in
every
Enterprise.

The JVM is
opened up
to other
languages.

Even
functional
languages
become
fashionable

After a year
nothing
except Java
was left.

Do you
really think
that could
go on
forever?

EJB 3.1
Container
Managed
Concurrency
anyone?

Standards
are not too
important in
many cases.

When will
we see the
first Java EE
6 server?

0%
10%
20%
30%
40%
50%
60%
70%

Java
Applica;on
Server
Usage,
Source:
2008
Evans
Data

Survey

Spring
Applica0ons
WebLogic
26%

JBoss
38%

WebSphere
43%

Apache
Tomcat
68%

Someone
has to pay
the people
working on
standards

Start: 10.6.2003
Public Release:
30.6.2004
Final Release:
11.5.2006

Spring versions
during that time:
0.9, 1.0.x, 1.1.x,
1.2.8 / 2.0M4

Language:
unsure, but
Open Source
might help

JCP: Future
not bright,
but that's
great!

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Future of Java

1. Hi!

2. Eberhard Wolff

3. SpringSource

4. High Productivity Tools Spring Enterprise Groovy and Grails SpringSource Tool Suite Lean Powerful Runtimes SpringSource tc Server SpringSource dm Server SpringSource http Server Application Infrastructure Management SpringSource Hyperic HQ SpringSource Hyperic IQ Unifying the Applica0on Lifecycle: from Developer to Datacenter Run Manage Build

5. JAOO Java Track

6. The future of Java

7. The questions shows uncertainty

8. Java dominates the market

9. Jobs: Where company actually invest

10. That won't change for quite some time.

11. The success is unparalleled

12. Lots of businesses depend on Java

13. So: Comparisons to past can be wrong

14. So much for the intro.

15. What is Java?

16. 1- The JVM

17. 2- A language

18. 3- A set of standards (JCP)

19. Again: Java = JVM + Language + JCP

20. The JVM is installed in every Enterprise.

21. Operations tend to be conservative

22. The JVM is highly optimized.

23. The JVM is opened up to other languages.

24. JVM might be the most persistent part.

25. JVM might be the real asset.

26. Again: Java = JVM + Language + JCP

27. The language sees little innovation

28. LINQ: .NET

29. All the dynamic languages

30. Even functional languages become fashionable

31. Closure disaster

32. Bad reputation of Generics

33. More languages is the normal case

34. Do you remember the time before Java?

35. Do you remember Beta?

36. After a year nothing except Java was left.

37. Do you really think that could go on forever?

38. Java might be the COBOL of the future

39. That is not necessarily a bad thing!

40. Again: Java = JVM + Language + JCP

41. JCP used to be an advantage.

42. "Look, we have standards!"

43. "Compare that to Microsoft"

44. But…

45. Some standards are bad.

46. Like really bad.

47. Really, really bad.

48. EJB 1.0 anyone?

49. EJB 3.1 Container Managed Concurrency anyone?

50. Standards are not too important in many cases.

51. When will we see the first Java EE 6 server?

52. When will Java EE 6 be in production?

53. Who cares?

54. People use Tomcat anyway.

55. 0% 10% 20% 30% 40% 50% 60% 70% Java Applica;on Server Usage, Source: 2008 Evans Data Survey Spring Applica0ons WebLogic 26% JBoss 38% WebSphere 43% Apache Tomcat 68%

56. Someone has to pay the people working on standards

57. What is Oracle's plan?

58. Open Source just outinnovates Standards

59. Example: EJB 3 / Spring

60. Start: 10.6.2003 Public Release: 30.6.2004 Final Release: 11.5.2006

61. Spring versions during that time: 0.9, 1.0.x, 1.1.x, 1.2.8 / 2.0M4

62. All tried in the real world

63. Lots of feedback

64. Remember: Java itself is Open Source

65. Again: Java = JVM + Language + JCP

66. JVM: Great future

67. Language: unsure, but Open Source might help