Java201.com

• Comparing the Google Collections Library with the Apache Commons Collections by Narayanan A.R.   - [Clicks: 19]
  Like Apache's Jakarta Commons Collections, the recently released Google Collections Library also enhances the Java Collections Framework but offers some unique enhancements you may prefer.
  [Includes source code]
  http://www.devx.com/Java/Article/36183 - Dec, 2007
• Simplify Your Java Configurations by Keld H. Hansen   - [Clicks: 21]
  There are many ways to configure Java applications, each with its own advantages and drawbacks. Wouldn't it be nice if there was a uniform API to handle all of these methods? Apache's Commons project contains a package that does the trick.
  http://javaboutique.internet.com/tutorials/config/ - Sep, 2007
• Easing configuration by Merlin Hughes   - [Clicks: 11]
  Configuration can be a maintenance mess and add to a developer's burden. This article introduces a framework with which developers can define their application's configuration in terms of high-level interfaces; the framework then generates automatic implementations of these interfaces backed by a physical configuration source, like a properties file or database. Because the interfaces define the configuration fields, these fields can be accessed much more easily; this technique also provides type safety and supports automatic documentation by Javadoc. This approach, designed and detailed by Merlin Hughes, is intended to improve on the practices of using string constants and manual type conversion when handling configuration data, while maintaining compatibility with existing configuration tools and files.
  [Includes sample code]
  http://www.ibm.com/developerworks/java/library/j-configint/index.html - Jul, 2007
• Java object queries using JXPath by Bart van Riel   - [Clicks: 13]
  This article shows how to use the Apache Commons JXPath component to easily query complex Java object trees for data using the XPath expression language. It covers both basic and advanced features to increase your productivity quickly.
  http://www.javaworld.com/javaworld/jw-03-2007/jw-03-jxpath.html - Mar, 2007
• Role-Based Code Upgrade by Stephen B. Morris   - [Clicks: 12]
  When you upgrade one feature that will only be used by a small set of users, why should you have to update the entire application for all your users? Stephen B. Morris proposes a model of updating just what's needed, and only for who needs it.
  [Includes sample code]
  http://today.java.net/pub/a/today/2006/03/08/role-based-code-upgrades.html - Mar, 2007

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