Session Java Data Objects 2 Patrick Linskey Track: Java Date: Thursday, April 21 Time: 2:20pm - 3:05pm Location: Ballroom G TrackBack In this presentation, JDO, the standards-based object persistence specification, is introduced. In 2002, the Java Data Objects (JDO) specification was approved through the JCP in a landslide vote 14-0. By November 2003, a survey showed that 25% of people interviewed were using JDO or considering JDO for their projects in the next year. In less than 18 months, the Java Data Objects specification went from a proposal to the de-facto standard way for persisting objects. Developers using JDO are seeing increased application portability, reduced development cycle time, improved code quality, higher performance, and more manageable scalability. The session highlights the problems of persisting data to a database, the basics of JDO, a comparison of JDO to other persistence solutions including JDBC, serialization, and entity beans, and JDO Query Language. In addition, Linskey will also point out what's new in JDO 2, currently in Early Release Draft stage. Topics include: Introduction to the JDO standard; The benefits of the JDO API; JDO's public interfaces; Examples of how to persist data using JDO ; Examples of how to retrieve data leveraging the new and improved JDO Query Language (JDOQL) from JDO 2.0; and Other improvements in JDO 2.

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