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 Editor's Daily BlogBlueJ WayPosted by invalidname on August 30, 2005 at 07:38 AM | Comments (1)Advanced features of the beginner's IDE
Jeff Friesen's first article on BlueJ, an IDE aimed at students and others learning Java, kicked off a lengthy talkback discussion about the value of shielding students from Java's command-line and other low-level "pipe". One crowd said that BlueJ and IDE's like it "teach the tool" instead of teaching Java itself. Others, including the author, argued that there's little value bogging students down in tricky stuff like classpaths and Does BlueJ teach good programming practices? Jeff makes the case for it in today's Feature Article. In Java Tech: The Sweet Song of the BlueJ, Part 2 he looks at BlueJ's support for debugging and unit testing, advanced topics presented in a beginner-friendly way. He also shows off BlueJ's extensibility, and the Code Pad, a useful little scratch pad for testing out code ideas. There are big, open questions in today's Forums.
An obviously-frustrated Annotations also kick off today's Weblogs. Ed Burns suggests Using EJB Annotations Outside of EJB: "The Common Annotations and EJB 3 JSRs both provide a number of annotations that are useful to enterprise Java developers. This blog entry examines the use of two from EJB3 that I feel really should be in Common Annotations: @PostConstruct and @PreDestroy." N. Alex Rupp is Looking for a home for my SnipSnap: "It's nearly impossible to find the 'perfect fit' for Java web hosting. All kinds of hosting companies provide 'Java support', but they charge too much for WAY too little, and the important features are all wrong. So, I put the question before the public: if a guy were looking to host a SnipSnap on Tomcat and have his own JVM, where's the best place to do this?" Want to improve the appearance of your project? Kirill Grouchnikov suggests Personalizing your java.net project site - using icons for address bar and bookmarks: "We are all familiar with custom icons for the webpages that we surf. These icons are shown in the address bar, in tab that shows the page (in Firefox) and in bookmarks. However, i haven't seen a single java.net community, blog or project page that features such an icon." In Also in Java Today... Are you working too hard to improve the footprint and performance of your J2ME application? Perhaps you have overlooked a readily available Java tool. In Use Obfuscation to Improve the Size, Performance, and Security of Your J2ME Applications Jim White argues for an obfuscation-based approach to crunch large, human-readable field and class names into a more compact form. The results: "while you cannot always expect to reap a 40 percent reduction in your application, there is a good chance that an obfuscator is going to get you a significant chunk of space back. This has the impact of making it easier to obtain your application over the air and the application will load into memory faster when executed." Thinking big? Become.com's Java Technology Web Crawler: A Massively Scaled Java Technology Application reports on Become.com, an innovative shopping search engine "that has created a Java web crawler that passes through three billion pages in seven days, and may be the most sophisticated and massively-scaled Java application in existence." In Projects and Communities, the new Java Games Community Forums reacts to the open-sourcing of Quake3 Arena with the discussion Quake3 Source released! - Who is going to port to Java? Topics discussed include JNI/JOGL concerns and what value such an effort would have. The Javapedia page MemoryLeak collects resources of interest to developers working on memory-management problems. The page's resources includes a collection of articles on finding an eliminating Java memory leaks, as well as links to memory management tools. In today's java.net News Headlines :
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