Job Scheduling in Java  Scheduling recurring execution of a piece of code is a common task for Java developers. The Timer class has its place, but as Dejan Bosanac explains, developers with more sophisticated requirements might want to check out the Quartz API.   [ONJava.com]

Java APIs for Bioinformatics  An introduction to Java APIs for bioinformatics. This article includes usage information, examples, and current design challenges for API developers in the life sciences field.   [ONJava.com]

BlackMamba: A Swing Case Study  It's one thing to learn the bits and pieces of a Swing GUI -- how to create a model and wire it up to a JTable or JTree. It's quite another to think through and develop a full-blown application. Ashwin Jayaprakash uses an email client, BlackMamba, to show how the pieces of a Swing application fit together.   [ONJava.com]

MVC Heresy with SQLTags  When the "right" way is more than you need, is it wrong to do what works? Steve A. Olson introduces the SQLTags toolkit, which takes database access out of its traditional tier and puts it directly into JSP tags.   [ONJava.com]

Another Java Servlet Filter Most Web Applications Should Have  Adding to his previous must-have servlet filters, Jayson Falkner introduces another: one to activate client-side caching, so browsers won't re-request items they can just cache.   [ONJava.com]

Cooking with Java Servlets & JSP, Part 2  In this second and final batch of recipes excerpted from Java Servlet & JSP Cookbook, author Bruce Perry shows you how to access an EJB from a servlet on WebLogic, and how to connect to Amazon Web Services (AWS) with a servlet or JSP.   [ONJava.com]

Configuring JBoss 4.0 JDBC Connectivity  JBoss uses the HypersonicDB by default, but with a few configuration changes, it can use any JDBC-equipped database. Deepak Vohra shows how to use Oracle, Sybase, MySQL and other databases with JBoss.   [ONJava.com]

Java vs. .NET Security, Part 4  Java and .NET address similar code security issues, but which one offers the best security implementation? Denis Piliptchouk's series concludes with a look at user authentication and permissions, and a final wrap-up.   [O'Reilly Network]

Cooking with Java Servlets & JSP  Learn how to use the Java Plug-in HTML Converter tool to generate the tags for embedding an applet, how to configure a javax.sql.DataSource for use in a servlet with the Tomcat web container, and how to use the JSTL's XML and XSLT-related tags, in these sample recipes from O'Reilly's Java Servlets & JSP Cookbook.   [ONJava.com]

The Eclipse Project Looks Ahead  EclipseCon revealed the Eclipse project as not just an IDE, but a rich client platform with a flexible architecture, an active community, and a bright future. Daniel Steinberg gives a summary of the week's events.   [ONJava.com]

Security in Struts: User Delegation Made Possible  Struts may not have an all-encompassing security scheme, but what it does offer is extensibility. Werner Raemakers looks at how to extend Struts' security by allowing one group of users to delegate permissions to others.   [ONJava.com]

Java Desktop Development  Java developers can choose between three primary GUI toolkits for desktop applications: AWT, Swing, and SWT. Andrei Cioroianu looks at the history, pros, and cons of each in this first article in a series on standalone Java development.   [ONJava.com]

Approaches to Mocking  Conceptually, you know what mock objects are, but practically speaking, how do you create and use them? Do you write mocks by hand or generate them automatically? Simon Stewart considers these possibilities and others, such as AOP-based mocking.   [ONJava.com]

Six Cool New JSP and Servlet Features  Bruce Perry describes six cool new features Java developers using Tomcat 5.x and other Servlet-API-2.4- and JSP-2.0-compliant containers will want to use in their projects. Bruce is the author of Java Servlet & JSP Cookbook.   [ONJava.com]

Eclipse: A Java Developer's Guide  A beta preview of Steve Holzner's Eclipse: A Java Developers Guide. This chapter is titled "Building Eclipse Projects Using Ant."   [ONJava.com]

Using JUnit With Eclipse IDE  Test-driven development principles call for writing the tests before writing any code. Alexander and Olexiy Prohorenko demonstrate how this approach can be used with the JUnit testing tool and the Eclipse IDE.   [ONJava.com]

Java vs. .NET Security, Part 3  Java and .NET address similar code security issues, but which one offers the best security implementation? Denis Piliptchouk's series continues with a look at how each platform handles code protection and code access.   [ONJava.com]

What's New in Tomcat 5  In December 2003, the Apache Tomcat developers released version 5.0.16 as the first stable release of Tomcat 5. Jason Brittain looks at the latest features and offers insight into the goals established for version 5.0, which had a direct impact on development. Jason is a coauthor of Tomcat: The Definitive Guide.   [ONJava.com]

Managing Your Dependencies with JDepend  Attributes like scalability and maintainability are qualitative in nature and hard to quantify, even hard to know until your code fails. But by analyzing dependencies between packages, JDepend gives you a way to measure how well-architected your code is.   [ONJava.com]

Effective Unit Testing with DbUnit  Writing unit tests first can be impractical when your code will depend on access to a database. Enter DbUnit, which allows you to write simple XML files to fill in for the yet-to-be populated database for testing purposes.   [ONJava.com]

Introduction to Aspect-Oriented Programming  Aspect-oriented programming (AOP) offers the ability to overlay new functionality atop existing code not by rewriting and recompiling, but by adding "aspects" to the compiled code. Graham O'Regan has an introduction.   [ONJava.com]

Hibernate your Data  Hibernate can persist any kind of Java object, manipulate a hierarchy of objects, handle collections, and work with transactions. Davor Cengija shows you how.   [ONJava.com]

The Effective Use of Joins in Select Statements Ajoin construct helps you effectively use select statements to mine relational databases. This article examines syntax, surprises, and rules of thumb for the use of joins.   [ONJava.com]

Apples and Oranges (and the Java Units Specification)  The Java Units Specification allows developers to create systems of units and to define conversion and representation rules in Java. Ori Kushner presents JSR 108, discusses possible uses and limitations, and provides ideas for future extensions.   [ONJava.com]

ONJava: 2003 in Review  A look back at ONJava articles from 2003, summarizing the big topics and major trends of the year in Java.   [ONJava.com]

Developing Custom Tag Libraries as Tag Files  This excerpt from Hans Bergsten's JavaServer Pages, 3rd Edition describes implementing custom tag library actions as plain text files and packaging them as tag libraries that can be used in JSP pages.   [ONJava.com]

Sliding into WebDAV  The Jakarta Slide project provides client- and server-side WebDAV capabilities for Java, effectively turning an HTTP connection into a remote file system. Andrew Anderson takes a look.   [ONJava.com]

Object Caching in a Web Portal Application Using JCS  One way to improve server-side performance is to cache data instead of generating it over and over again. Srini Penchikala takes a look at how the Java Caching System makes this possible.   [ONJava.com]

QTJ Audio  QuickTime Java is well-suited to be the engine of audio-only applications, such as MP3 players. This article develops an audio player, QTBebop, that displays song metadata, band levels, and current time, all of which help introduce the useful audio-related tools provided by QuickTime to the Java developer. We also look at QuickTime's "callbacks," which are critical to all kinds of QT apps.   [ONJava.com]

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