Javantura v6 Conference What’s new in Java today, and what’s coming to Java tomorrow? This session will review some of the recent enhancements made over the last year to the language and the platform, as well as offer a glimpse into some of the features in development that will continue to improve both developer productivity and program performance while retaining Java’s core values of readability, generality, and compatibility.

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Java SE, Today and Tomorrow
Dalibor Topic
Principal Product Manager
Java Platform Group @ Oracle
@robilad
February 23rd, 2019 @ Javantura in Zagreb, Croatia

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Safe Harbor Statement
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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Is the Java ecosystem shrinking?

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Java 1.0
Java 1.1
Java 1.2
Java 1.3 Java 1.5
Java 1.4 Java 1.6
Java 7
Java 8
Java 9
Java 10
Java 11

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Continuing growth
12 Million developers run Java
#1 Programming language
#1 Developer choice for the cloud
30 Billion active Java Virtual Machines
21 Billion cloud connected Java Virtual Machines

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Communicating, collaborating, connecting
Continuing support for the Java ecosystem
Java Magazine Over 250,000 subscribers, and it’s FREE!
Java Foundations, Java Fundamentals, Java Programming
Over 350 groups worldwide…join (y)our peers
Global organization for women in Java technology,
currently with 550 members in over 60 countries
Java User Groups
jDuchess Program
Over 1,000 participants helping to develop
standard technical specifications for JavaJCP
Over 150 members to connect with and learn fromJava Champions
Student
Outreach

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Preserving Java’s virtues
Ensuring Java continues to be open and free
Delivering ongoing platform completeness
Continuing to invest in quality and security
Preserving open and transparent development
Investing in developer productivity and compatibility

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Innovation and modernization matters
Increasing density
Improving startup time
Improving predictability
Simplifying serviceability and profiling

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Oracle commitments for Java
Deliver enhancements and innovation faster
Make Java more open
Continue support for the Java ecosystem

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Is Java still free?

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Moving Java Forward Faster
Keep Java Free and more open (opener?)
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▪ Oracle will now produce OpenJDK builds
▪ The new OpenJDK builds will be licensed under GPL V2
GNU General Public License Version 2 with Class Path Exception (GPL 2 with CPE)
▪ New Java feature release will be made every 6 months
▪ Oracle will open source commercial features
▪ Oracle will work with other OpenJDK contributors to make
the community infrastructure complete, modern and
accessible
URL: http://mail.openjdk.java.net/pipermail/discuss/2017-September/004281.html

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Ensuring Java is available for free
• Previously
–OpenJDK: free as source
–Oracle JDK: free binaries
under BCL
–Java SE Advanced: fee-
based under commercial
license
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• Currently
–OpenJDK: free binaries
under GPLv2+CPE
–Oracle JDK: free binaries
under commercial license

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Making Java more open
From Oracle JDK to Oracle OpenJDK
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Making Java more open
▪ Application Class Data Sharing (OpenJDK 10)
▪ Enables you to place classes from the standard extensions directories and the application class path
in the shared archive
▪ Project ZGC (OpenJDK 11)
▪ Low latency garbage collector to support multi-terabyte heaps
▪ Flight Recorder (OpenJDK 11)
▪ Collects diagnostic and profiling data about a running Java application
▪ Mission Control (OpenJDK 11)
▪ Monitor and manage Java applications with minimal performance overhead
What has been open-sourced
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Is Java moving slower?

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No more limousines, think trains!
The Release Model

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Previous JDK Release Model
Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8 Y9 Y10 Y11 Y12 Y13 Y14 Y15

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Previous JDK Release Model
Y1 Y2 Y3 Y4 Y5 Y6 Y7

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Previous JDK Release Model
Y1 Y2 Y3 Y4 Y5 Y6 Y7

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Previous JDK Release Model
Y1 Y2 Y3 Y4 Y5 Y6 Y7
8 8u20 8u40 8u60
9 9.1 9.2 9.3
10 10.1 10.2 10.3
11 11.1 11.2 11.3

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Feature releases every 6 months
New JDK Release Model
Y1 Y2 Y3 Y4 Y5 Y6 Y7
9
9.1
9.2
9.3
10

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New JDK Release Model
Y1 Y2 Y3 Y4 Y5 Y6 Y7
9
10
11
12
13

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New JDK Release Model - LTS Releases
Y1 Y2 Y3 Y4 Y5 Y6 Y7
9
10
11 (LTS)
12
13

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New JDK Release Model - LTS Every 3 years
Y1 Y2 Y3 Y4 Y5 Y6 Y7
9
10
11 (LTS)
12
13
Y8 Y9 Y10 Y11 Y12 Y13 Y14 Y15
14
15
16
17 (LTS)
18
19

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New JDK Release Model – Starting with JDK 9
9
10
12
13
14
15
16
17 (LTS)
JDK 8
JDK 7
JDK 6
‘18 ‘19 ‘20 ‘21 ‘22 ‘23 ‘24 ‘25 ‘26 ‘27 ‘28 ‘29 ‘30 ‘31 ‘32
11 (LTS)

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Oracle JDK & Oracle OpenJDK
9
10
12
13
14
15
16
‘18 ‘19 ‘20 ‘21 ‘22 ‘23 ‘24 ‘25 ‘26 ‘27 ‘28 ‘29 ‘30 ‘31 ‘32
JDK 8
JDK 7
JDK 6
17 (LTS)
11 (LTS)
Oracle JDK - OTN
OpenJDK - GPL
Oracle JDK - BCL

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New JDK Release model
9 10
11 (LTS)
12 13 14 15 16
17 (LTS)
9 10
‘18 ‘19 ‘20 ‘21 ‘22 ‘23 ‘24 ‘25 ‘26 ‘27 ‘28 ‘29 ‘30 ‘31 ‘32
1711 18 19 3321 22 23 24 25 26 27 28 29 30 31 3220 34 35 36 37 38
23 (LTS)
29 (LTS)
35 (LTS)
JDK 8
JDK 7
JDK 6
Oracle JDK - OTN
OpenJDK - GPL
Oracle JDK - BCL
12 13 14 15 16
18 19
33
21 22
24 25 26 27 28
30 31 32
20
34
36 37 38
Rapid innovation, performance improvements, continuous integration
Long term stability, security and critical bug fixes
6-Month Releases & LTS Every 3 Years

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Delivering enhancements and innovation more rapidly
Predictable 6-month release cadence
Incremental improvement
Get access to new features sooner
No more disruptive major release

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Is Java going into sustaining mode?

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Targeted JEPs per JDK Release
30
0
10
20
30
40
50
60
70
80
90
100
JDK 8 JDK 9 JDK 10 JDK 11 JDK 12 *
JEPs
JEPs
80+
12
17
8
50+

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JDK 11 – Sep 2018
• 17 JEPs
• New model calls for JEPS to
be targeted only when ready
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http://openjdk.java.net/projects/jdk/11

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JDK 12
• 8 JEPs targeted
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http://openjdk.java.net/projects/jdk/12

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JDK 13
33
http://openjdk.java.net/projects/jdk/13

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Is Oracle the only Java contributor?

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Thank you to the many contributions in the OpenJDK Community
Building JDK 11 together
2,468 JIRA issues marked as
fixed in JDK 11
Over 500 were contributed by
individuals and developers
working for other organizations
blogs.oracle.com/java-platform-group/building-jdk-11-together

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What if I need commercial support?

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Enterprise long-term support
New simple Oracle JDK monthly subscription support offering for
desktop, server and cloud deployments (pay as you use)
You have a choice:
- Oracle support for specific releases
- Additional support options from other vendors
oracle.com/java/java-se-subscription
Low-cost, predictable pricing
- $25.00 (USD) per month per processor (server) or LESS
- $2.50 (USD) per month per user (desktop) or LESS
- Significant discount available for large deployment support
requirements (i.e. 50% discount for 10k-20K processor units)

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What are some new opportunities for Java?

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The Next Big Challenges Opportunities
• Containers
• Predictability
• Performance
• Data optimization
• HW acceleration
• Scalability
• Continual language enhancements
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Portola
Skara
Loom
Valhalla
Panama
Amber
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openjdk.java.net

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Valhalla: https://wiki.openjdk.java.net/display/valhalla/Main
Panama: https://openjdk.java.net/projects/panama/
Portola: https://wiki.openjdk.java.net/display/portola/Main
Amber: https://wiki.openjdk.java.net/display/amber/Main
Loom: https://wiki.openjdk.java.net/display/loom/Main
Skara: https://openjdk.java.net/projects/skara/

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OpenJDK EA releases
– Upcoming Feature Releases
– Special Projects EAs
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Summary
• The Java platform development on OpenJDK is becoming more open
• JDK 11, the next LTS release, includes innovations, security, productivity
and performance improvements
• Oracle is simplifying Java licensing by transitioning out of the BCL
“dual purpose” license to GPLv2+CPE
• Oracle introduced a new Java subscription offering to make Java support
affordable and predictable for everyone
• Beyond Java 11, we have a solid technical roadmap
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JOIN and become an OpenJDK CONTRIBUTOR
https://openjdk.java.net
STAY INFORMED
https://blogs.oracle.com/java-platform-group
CONNECT WITH US
@OpenJDK
@gsaab @mreinhold @BrianGoetz @MikaelVidstedt
@BTraTra @DonaldOJDK @Sharat_Chander
@robilad @aureliog @SimmsUpNorth
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