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Blog Archive for daniel during April 2004

"If we do something to make Java even more open-source than it is already, having safeguards to protect the developer community will be something we pay a lot of attention to." In today's Weblogs , James Gosling blogs about Open sourcing Java . He addresses IBM's open letters and their history of contributing to Java. One interesting point is the Swing/SWT/AWT issue. Gosling notes that "IBM...
"We rise from the ashes to contend with more complexity and fewer resources than ever. Our teams are smaller and budgets are tighter. Failure is not an option." In Also in Java Today, Erik Hatcher posts his preface for a new book in his blog Enterprise Java Development on a Budget: Leveraging Java Open Source Technologies. Erik begins with the following statement about J2EE. J2EE...
Finally one of our feature stories that has a chance of being made into a movie. Making small changes may bring up the image of a tortoise. But the famous fable of the tortoise and the hare seems to be as flawed as each of Zeno's paradoxes. It seems that the tortoise should win in the Achilles paradox as well and yet time and again you find yourself on the wrong side of that bet. How could the...
Now that recent Forum postings have been moved to the center column of the java.net home page, our latest site change is complete. Now that the big changes to our look and feel are done, let's take a quick tour of the java.net home page. Of course, things will change. We will roll new features out as soon as they are ready and not wait until some magic release date. You'll notice, for example...
"UML has become not only self-justifying, but the fact that someone has made a UML diagram means that his architecture is somehow blessed." If you are old enough, you may remember typing technical papers on a real typewriter. You would leave spaces for symbols and later write them in by hand. Later, if you had access to an IBM Selectric, you would swap out the standard typing element and put...
When might you use multiple source directories for a single project? That's the question in today's Weblogs . Vincent Brabant asks Why do we need more than one source directory for one project? He provides a look at one of his directory trees and an explanation of how he likes to organize his source files but says "personally, I liked to have more than one source directory in the same...
Start with a few techniques for generating images on the server-side and pushing them out to the client. Joshua Marinacci has written a feature article for java.net on Generating Images with JSPs and Servlets. He begins with a simple pie chart example. A JSP is used to parse the incoming request and pull out the information for the size of the slice and its background color. The pie chart is...
What is happening to your code while you aren't looking at it? In today's Weblogs , Eitan Suez engages in a Mental Exercise to Better Understand Code Rot. Eitan thinks that the two "ingredients of a successful software project are code and programmers. That people and computers exist today in some sort of symbiotic relationship." Existing code has a living breathing role in this relationship...
Using Resume Driven Development to decide on which technology to use in a project. In Also in Java Today, Bill Venners interviews Luke Hohmann on Human-Oriented Architecture. Hohmann says that "Most people tend to kid themselves that languages are chosen for technical reasons. Languages are chosen for social reasons and justified for technical reasons. No one genuinely picks a given...
What do you do if your method requires a variable number of variables? Jeff Friesen has launched a new column called Java Tech with an article on Using Variable Arguments. Jeff continues to write a Java 101 column for JavaWorld magazine and has started his column for us with a look at some of Tiger's new features. What if you want to add a collection of numbers but you don't know how many...