Leverage Today’s JDO for Tomorrow’s EJB
by Robert Greene
You have legitimate productivity and scalability concerns about upcoming changes in the EJB 3.0 specification. Compare and contrast its substantial but essential changes to existing features in JDO 2.0 in the areas of persistence, inheritance, polymorphism, security, and life-cycle management.

Must You Choose a Single Technology?
by Craig R. McClanahan
Today's architectures deploy applications that are growing more complex and more distributed, which means IT needs a flexible, open architecture for managing SOA components. Employ five best practices using the JMX API to develop management-ready Java applications.

Design Patterns, JMX for Manageability
by Justin Murray
Controls and visibility are essential for monitoring and managing applications. Learn a best practice for employing design patterns that combine applications with JMX and policies.

COLUMN: OBJECT ENTERPRISE
Integrate Java and .Net
by Peter Varhol
Integrating applications and application components across both major platforms is becoming a priority for many enterprises. Though both platforms push Web services, check out an alternative that tightly integrates Microsoft code with Java apps.

COLUMN: PLUGGED IN
Practical Eclipse
by Kevin Jones
The Eclipse IDE offers you a cornucopia of features. In this inaugural column, Kevin Jones offers some key usage and technical tips you can employ in your daily work.

COLUMN: PRO SHOP
Conquer Class Loader Confusion
by Daniel F. Savarese
Versioning conflicts among classes can be a headache. Take a look at a solution that—despite the extra effort and memory consumption—lets you use two versions of the same class inside of the same JVM.

DEPARTMENTS
Editor's Note
by Kay Keppler

In Brief

Public Static
by Terrence O'Donnell

New! FTPOnline Blog
Check out the FTPOnline Blog to get insights from Kay Keppler, Java Pro's editor; and other FTP editors as they sound off on IT and development issues. ftponline.com/weblogger/