This article explains how to simulate the pass-by-value strategy in CORBA 2.2 using Java so that a client virtual machine can locally invoke methods implemented.

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This expert perspective lays it on the line: Exolab's Castor JDO product does not support the JDO standard.

Srini Penchikala looks at SpringJMS, which provides an inversion-of-control driven asynchronous messaging framework without the administrative hassles of typical JMS.

Mark Petrovic shows how to use a development-time SecurityManager that logs applications' calls and builds a suitable Java security policy file.

Typical means of establishing uniqueness and identity in databases, and thus Hibernate, don't necessarily suit Java's identity-oriented equals() and hashCode() methods. James Brundege has another idea for how to solve this problem.

Java Data Objects (JDO) is neither a silver bullet nor without merit. But its most important contribution may be to wake developers up to the coming paradigm shift: from database to objectbase, a place where not only data but data and behaviors are st...

In this scathing response to Don Bales' recent critique of Java Data Objects, David Jordan offers proof that JDO does not regard SQL as a bad thing, yields shorter and simpler code, and is vendor-neutral.

Budi Kurniawan demonstrates a basic Java servlet container.

Charles Chan demonstrates OJB, an open source Java object persistence framework.