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Introduction The forthcoming major release of Java 2 Platform, Standard Edition (J2SE) 1.5 is increasingly gaining its momentum in the developer community due to its potential improvements to the language and convincing feature set. The beta release of J2SE 1.5 is expected to ship in late 2003. J2SE 1.5, code named \"Tiger,\" is being developed under the Java Community Process (JCP). The umbrella Java Specification Request (JSR) for this...
Updated: 05/30/2005
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Like many Java developers you are probably working with the beta for J2SE 1.5. Here is another new technique to use with the beta. Looping through a collection of objects and doing something with each object is one of the most common programming idioms. You\'ve no doubt coded such a loop many times: List names = new ArrayList(); names.add(\"a\"); names.add(\"b\"); names.add(\"c\"); for (Iterator it = names.iterator(); it.hasNext(); ) { String name =...
Updated: 05/30/2005
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An AMD64 Operton chip powers this Sun Java Workstation running the Sun Java Desktop System and JDK 5.0 September 30, 2004, 6:00 PM, the launch of the Java 2 Platform, Standard Edition 5.0 (J2SE 5.0), code-named Tiger, is official, both in a celebration in Sun offices on Park Avenue in New York, and at the Computer History Museum in Silicon Valley. The Computer History Museum, \"the world\'s largest and...
Updated: 05/30/2005
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N early three years ago the design of one of the most significant updates to the Java platform in its history was planned. So what has happened in those three years? J2SE 1.5 (\"Tiger\") has been developed through the Java Community Process (JCP), and in addition to the 18 experts on the J2SE 1.5 JSR (JSR 176) there are an additional 15 component JSRs (see Table 1 ), each with their own domain experts. In addition to Java luminaries such as James Gosling and Graham...
Updated: 05/30/2005
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Java 1.5 is slated to be released by Sun in late summer 2004. It contains many significant new language features and will dramatically alter the look and feel of Java code. The new varargs language feature was introduced to allow more flexibility and simplicity in coding. Varargs The varargs , or variable arguments, feature allows a developer to declare that a method can take a variable number of parameters for a given argument. The vararg must be the last argument in the...
Updated: 05/30/2005
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Java 1.5 introduces a new class named java.util.Formatter that allows you to do string formatting similar to the printf function in C. It depends heavily on the varargs feature being introduced in 1.5. System.out.printf The first way you\'ll learn to work with the Formatter is not to interact with it directly, but instead to use the new PrintStream method printf . You\'re probably most familiar with PrintStream from doing System.out.println calls. Here is a simple example of...
Updated: 05/30/2005
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Use J2SE 5 annotations to eliminate getters and setters Summary The getter/setter idiom has always been problematic; it allows too-broad access to the implementation of your classes, degrading maintainability as a consequence. The J2SE 5 annotation (or metadata) feature provides an alternative. Rather than using introspection to find get/set methods, you can \"tag\" an object with an annotation and then access that annotation at either compilation or at runtime. This article both...
Updated: 05/30/2005
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Mac OS X has certainly created renewed interest in client-side Java, or J2SE, and its Java Foundation Classes (JFC), as well as extended client-side development packages and frameworks such as Java Media. There\'s even interest in Mac OS X as a possible server-side force, as well. This week, we look at the following columns and features, as originally published on O\'Reilly\'s MacDevCenter.com . Java Programming For Mac OS X Whether you\'re a hobbyist or a...
Updated: 05/30/2005
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Java 2 Platform, Standard Edition (J2SE) version 1.5 (\"Tiger\") is the next major revision to the Java platform and language; it is currently slated to contain 15 component JSRs with nearly 100 other significant updates developed through the Java Community Process (JCP). With so many exciting changes in this release you may be wondering where you should start.
Updated: 05/18/2005
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