Michael Juntao Yuan

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Top Stories by Michael Juntao Yuan

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 fact, this is the point I have always advocated in my writings. My keyword for mobility has always been "end-to-end." Although my experience with the J2ME job market is somewhat different from Glen's (I have to turn down new J2ME contracts to keep myself sane at this point), I understand that not everyone in J2ME had the same luck. Most of the "real" employment opportunities are still on the enterprise server side. But when we look at the future, I see three trends: The move to mobility is inevitable in the enterprise. The IT revolution has to reach hundreds of millions of mobile workers in orde... (more)

Future Proof Your Web Application Using Clustered Cache Services

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. For instance, Java EE is a cross platform solution supported by many vendors. That means you can choose from many hardware, software, services vendors to accommodate the current and future needs of your applications. Java is also an OO language with well designed application frameworks / libraries, and a la... (more)

Lightweight Java Enterprise Application Frameworks: JBoss Seam

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 3.0 (and Java EE 5.0) specifications, lightweight frameworks have gradually become mainstream. The rise of lightweight technologies was largely due to developers' rebellion against the "heavyweight" of EJB 2.1 (and earlier). Lightweight frameworks aim to make developers more productive and the applicatio... (more)

(Almost) a Dream J2ME Phone - the Nokia 6630

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 photo gallery or the MMC card from Java applications. That severely limits Java's usefulness on those devices since "integration" is key to any successful mobile UI application. Symbian C++ was the only "real" way to develop compelling applications on Series 60 phones. On Nokia 9500, the J2ME File I/O and PIM... (more)

Michael Yuan's Java Blog: "Is Ruby Replacing Java? – Not So Fast"

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 Java to become the "next" programming language just as Java "replaced" C++/COBOL and C++ "replaced" Fortran. Well, in my opinion, this kind of talk has some serious logical problems. First of all, as the short history of high technology has proven again and again, the "superior" solution does not always wi... (more)