Essentially, the factory method pattern allows you to develop different implementations of an interface and then, through a factory method, create a specific implementation at runtime. It is probably one of the most well known and prevalent design patterns, so this article serves to both formalize a presentation of the pattern for the experienced programmer and as an introduction to one of your most powerful patterns to the novice. ... more »

Writing concurrent code is essential for taking advantage of modern multicore computers. In the first of a three-part series, David Chisnall looks at the simplest mechanism for supporting concurrency: explicit locking.... more »

I recorded a four-part podcast series with Kristina Halvorson, moderated by Mike Moran. We had a great time. We talked about the content strategy around created, curated and aggregated content. I wanted to expound on a point in this article, on which I didn’t have time to elaborate during the podcast series.... more »

JSON (JavaScript Object Notation) is a lightweight data-interchange format based on a subset of the JavaScript Programming Language. JSON object structure is built on two structures:... more »

http://javawave.blogspot.com/2008/04/quartz-job-scheduler-part-ii-example.html... more »

Quartz Job Scheduler -- Part 1 (Setting up development project in Netbeans 6.1 beta)... more »

In this article I examine the options available for packaging and deploying Java EE applications. I will start by reviewing the Java EE 5 specifications pertaining to application assembly and deployment. Next I will set out packaging specifications for production EAR files and review some of the techniques you can use to implement and enforce them.... more »

In this article we show how to develop and test an IP Multimedia Subsystem (IMS) application with both a client and a server part, using the free standards-based development tools from the Nokia Siemens Networks IMS Developer Program and BEA WebLogic SIP Server (WLSS). The IMS is a complex environment but with the right tools, that complexity becomes manageable, and end-to-end tests can be made even on a single PC.... more »

Secure Programming with Static Analysis authors, Chess and West, discuss whether the C programming language is safer than Java from their perspective on using Static Analysis in code review testing. ... more »

I needn’t emphasize the importance of choosing best name for class/variable/method. But how many managers/developers care in choosing best names. Most of them concentrate on completing assigned task and deliver working output, because they feel that naming is not going to add any value to their software.... more »