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JCP, Adopt-a-JSR and You


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The Java Community Process (JCP) plays a critical role in Java by developing the Java SE and Java EE specifications. Unfortunately most developers have very little understanding about how the JCP works let alone how they can contribute to it. In fact there are numerous misconceptions about the JCP.

This session takes an in-depth look into the JCP including its purpose, structure, governance, operations as well as how you can participate, observe or comment on the development of Java industry standards as an individual, company or JUG.

We will also discuss an innovative new program named Adopt-a-JSR and major initiatives such as Java EE 8.

Published in: Technology

JCP, Adopt-a-JSR and You

  1. 1. 1 The JCP, Adopt-a-JSR and You Reza Rahman @reza_rahman
  2. 2. 2 The Java Community Process • Defines Java/EE • Open, participatory process • Driven by collaboration, review, consensus and shared intellectual investment in Java • Definitely not just for vendors • Hundreds of specifications, thousands of members “If I have seen further than others, it is by standing upon the shoulders of giants.” - Isaac Newton
  3. 3. 3 Who Can Participate? • Absolutely anyone (individual, company or JUG) • Anyone can register with, become an observer, review specifications and provide feedback • Anyone can sign up to become a JCP Member, join Expert Groups or even create JSRs • The specification lead decides who can be on an EG • Anyone can provide comments at any time
  4. 4. 4 An Expert Group • Led by one or more specification leads • Diversity of opinion and broad consensus are sought • No limit on how many people can be on an EG, but there is a point of diminishing returns • Communication is usually through an email alias, but not limited to it
  5. 5. 5 A Specification • A specification is formalized in a JSR • A JSR can be created by one or more members • A JSR will have a specification document • Each specification will have a reference implementation • Each specification will have a compatibility test kit (TCK) for independent implementers • Platform JSRs like Java EE and Java SE are “special”
  6. 6. 6 Specification, RI and TCK Triad
  7. 7. 7 The Executive Committee • Oversees all JSRs (including platform JSRs) • Voting members serve 3-year terms • 10 ratified seats, 5 elected seats, and permanent seat for Oracle/Sun • Approve JSRs, public review drafts, final specifications, reference implementations and test kits • Members vote on EC membership “As I would not be a slave, so I would not be a master.” - Abraham Lincoln
  8. 8. 8 The People
  9. 9. 9 The Process
  10. 10. 10 JCP Program Management Office (PMO) • Designated to oversee the Java Community Process and manage the daily running of the program • PMO is a department of Sun/Oracle • Assists spec leads, handles website, organizes JCP events and arranges Executive Committee meetings, among miscellaneous other things • Outreach and advocacy
  11. 11. 11 Adopt-a-JSR! • A JUG-lead initiative to improve Java standards • Groups of JUG members work on JSRs
  12. 12. 12 JUGs Around the World!
  13. 13. 13 Adopt-a-JSR for Java EE 8 • Make Java EE 8 the most community driven platform to-date! • Share ideas and feedback, possibly by entering issues in public issue trackers • Follow expert group discussions and chime in if needed • Read early versions of specifications and Javadocs • Try writing applications using early builds of the reference implementation • Write or speak about the technology • Encourage others to participate • A number of JUGs have already signed up!
  14. 14. 14 Java EE 8 • Web Standards/HTML5 Alignment • HTTP/2, SSE, JSON-B, JSON-P, action-oriented web framework, hypermedia • Cloud • Simple security providers, REST management/monitoring • CDI Alignment • CDI 2, EJB services outside EJB, EJB pruning • Enterprise • JCache, Configuration, JMS • Java SE 8 alignment
  15. 15. 15 Summary • Plays critical part in shaping Java – our shared investment • Open, participatory, collaborative process • Anyone can participate by voting, observing, reviewing and providing feedback • Any one can become an expert or lead a JSR • Adopt-a-JSR increases accessibility significantly “Science may have found a cure for most evils; but it has found no remedy for the worst of them all -- the apathy of human beings.” – Helen Keller
  16. 16. 16 Resources • JCP and Adopt-a-JSR online meeting-materials and recordings: • • Follow the JCP online: • Twitter @jcp_org • • Facebook: Java Community Process • Adopt-a-JSR online: • Twitter @adoptajsr • Facebook: AdoptaJSR • IRC: #adoptajsr channel on • GitHub: