Michael Juntao Yuan

Lightweight application frameworks are all the rage in the enterprise Java community in the past couple of years. From the pioneering Spring and Hibernate frameworks, to the infusion of technologies like aspect-oriented programming and metadata annotation, to the new standard EJB... (more)

Today's web developers have a lot of choices when it comes to web application platforms. Among them, Java EE has always stood out as a "scalable" solution -- it may not be the easiest platform to prototype a web site, but it protects your software investment over longer terms. Fo... (more)

One-time password (OTP) based two-factor authentication solutions are commonly used to secure VPNs, web sites, and online transactions. They are much more secure than authentication methods based on static passwords. In fact, the US government mandates that all online banking ser... (more)

Annotation is a new Java language feature introduced in JDK 5.0. It has quickly become one of the most popular, and yet most controversial, language feature in core Java. New Java frameworks, such as EJB 3.0 and Hibernate 3.0, make extensive use of annotations to eliminate the ex... (more)

Michael Yuan's Java ME Blog: The Dawn of Smartphone I had the honor to have the "Father of the Nokia Series 60 UI", Christian Lindholm, write the Foreword for my new book Nokia Smartphone Hacks. Christian's invention, the Nokia navigation key user interface, is used daily by bil... (more)

Is Ruby Replacing Java? – Not So Fast Okay, I have heard it all: Ruby On Rails (RoR) is so much cooler and simpler than Java EE. It allows you to write web applications 10X faster. And Ruby has nifty language features we can only dream of in Java. So, Ruby must be replacing... (more)

"Java on mobile phones" has been the hottest topic at the JavaOne conference for the past several years. This year was no exception and a large part of the show floor was designated as the "Wireless Village." With tens of billions dollars' worth of Java phones and related service... (more)

In the past six months, I had the opportunity to work with two leading firms in the Java world - Nokia and JBoss. Being the world's largest J2ME device vendor and most popular J2EE server developer, respectively, Nokia and JBoss come from the two ends of the Java technology spect... (more)

Federated identity management across multiple single-sign-on domains is a major challenge for SOA-based solutions to fully realize its business potential. The traditional username/password combination is often too weak to protect the extremely sensitive single-sign-on credentials... (more)

Thursday, February 17, 2005 9:00 A.M. - 9:50 A.M. Unlike the wildly successful server-side Java technology, the true "write once run anywhere" vision has never been achieved for client-side Java. For Java developers offering end-to-end smart client-based SOA solutions, the deve... (more)

Personally, I think the biggest announcement from JavaOne was that Nokia is building a Service-Oriented Architecture framework on smart mobile phones that could quickly change how an average technology user sees Web services. No, I am not talking about the standard SOAP interfaces ... (more)

As I have whined many times before, J2ME has been treated like a second class citizen on Symbian smartphones. Most importantly, the Java runtime does not integrate well with the underlying platform. For example, on my Nokia 6600, I cannot access the local PIM database or the phot... (more)

I was reading Glen Cordrey's last J2ME column in this month's issue of JDJ. Glen mentions that, as the J2ME market has not matured with enough jobs, he is going back to J2EE and try to work on mobility integration issues in enterprise projects. I complete agree with him and in fa... (more)