JavaSE - The road forward

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Java SE – The road forward, 2011 edition
Dalibor Topić
Java F/OSS Ambassador

Thursday, September 8, 2011

The following is intended to outline our general
product direction. It is intended for information
purposes only, and may not be incorporated into any
contract. It is not a commitment to deliver any
material, code, or functionality, and should not be
relied upon in making purchasing decisions.
The development, release, and timing of any features
or functionality described for Oracle’s products
remains at the sole discretion of Oracle.

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Agenda

• Past
• Present
• Future

3


Past

4


Apples and Pears

5


Language

6


Working In Java

http://www.tiobe.com/index.php/content/paperinfo/tpci/index.html
7


Working In Java

http://www.ohloh.net/languages/compare?
measure=projects&percent=true&l0=csharp&l1=erlang&l2=java&l3=php&l4=python&l5=ruby&l6=scala&l7=groovy&commit=Update 8


Work in Java

http://www.indeed.com/jobtrends?q=java%2Cc%23%2Cpython%2Cruby%2Cperl%2Cscala%2C+erlang%2C+groovy&l=
9


JRockit products

JROCKIT MISSION CONTROL JROCKIT REAL TIME JROCKIT VIRTUAL EDITION

• Complete insight into application • High-performance real-time • Fly-weight Java container for
& JVM behavior solution for standard Java virtualized environments
• Zero performance overhead in • Industry leading Deterministic • Improve datacenter efficiency -
2002
production environments 2006
Garbage Collector 2009
do more with less
• No application modification or • Millisecond response times with • Simpler and more powerful VM
configuration required “five nines” guarantee management
• Improve application performance
& latency with unique tooling

JROCKIT JVM

• Server-side focus

2000
• World-class performance
• Powerful diagnostics

10


Java SWOT – Sun days

11


Present

12


What occupies our days?

• Dev
– Java 7
– JDK 7
– Convergence
• “Misc”
– Reconnecting with community
– Java 8
– Java 9+

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JDK 7 / Java 7

14


2 teams enter, one team leave…

• Hotspot

15


2010 Eclipse Community survey

69,8 + 21.7%
vs
4.6%

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• Hotspot
– Market share

17



• Hotspot
– Market share
– Client and Server version
– Quality

18



• Hotspot
– Market share
– Client and Server version
– Quality
• JRockit
– Value adds
• JRockit Mission Control
• JRockit Flight Recorder
• JRockit Virtual Edition
– Optimized for the Oracle stack

19


Hmm…

20 20


Convergence

1+1=3?

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Convergence

JRockit Hotspot

22


Convergence

HotRockit

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How big was your first checkin?

• +++ b/src/share/vm/utilities/top.hpp Wed Feb 02 13:23:17 2011 +0100
• +++ b/src/share/vm/utilities/utf8.cpp Wed Feb 02 13:23:17 2011 +0100
• +++ b/src/share/vm/utilities/utf8.hpp Wed Feb 02 13:23:17 2011 +0100
• +++ b/src/share/vm/utilities/vmError.cpp Wed Feb 02 13:23:17 2011 +0100
• +++ b/src/share/vm/utilities/vmError.hpp Wed Feb 02 13:23:17 2011 +0100
• +++ b/src/share/vm/utilities/workgroup.cpp Wed Feb 02 13:23:17 2011 +0100
• +++ b/src/share/vm/utilities/workgroup.hpp Wed Feb 02 13:23:17 2011 +0100
• +++ b/src/share/vm/utilities/xmlstream.cpp Wed Feb 02 13:23:17 2011 +0100
• +++ b/src/share/vm/utilities/xmlstream.hpp Wed Feb 02 13:23:17 2011 +0100
• +++ b/src/share/vm/utilities/yieldingWorkgroup.cpp Wed Feb 02
• 13:23:17 2011 +0100
• +++ b/src/share/vm/utilities/yieldingWorkgroup.hpp Wed Feb 02
• 13:23:17 2011 +0100
• [ stefank @ stefank02 : 13:23:38 : 1034 ] ~/hg/perm.objarray $ less apa2.txt | grep "++
+" | wc

• 1652 13216 126612

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Official roadmap, from JavaOne 2010

• JDK 7 – 2011
• JDK 8 – 2012
• Open JDK unchanged
• JVM Merge -> Open JDK
• JDK/JRE still free, same license
• Premium
– (Such as: JFR, JRMC, JFB, Support)

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Java SWOT – Oracle

25


Future

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Trends

• Multi Core processors
• Dynamic Languages
• Domain specific Languages
• Cloud
• Smart phones and tablets

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JavaSE - The road forward

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