Many authors advocate the double-checked locking idiom to access a Singleton object in an intuitively thread-safe way. Unfortunately, for counterintuitive reasons, double-checked locking doesn't work in Java.

Find out about the inner workings of aglets, IBM Japan's Java-based autonomous software agent technology

Review by Brian Goetz of Java World praising the open-source search engine.

By Frank Sommers. Ensure the quality of Web services in the age of calm computing.

Presents two approaches to creating thread-safe singletons.

Javaworld article by Todd Sundsted that examines the foundation of Java security, including virtual machine and byte code security.

Dynamic languages are coming competitors to Java. Growing their scope beyond glue code and Web GUIs into the heavy work once done only with compiler, languages such as Python, PHP, Groovy, and Ruby have fast gained popularity. JavaWorld.

Introductory article on using JasperReports and intergrating into applications. JasperReports is a popular open source reporting library.

Discussion of two more architectural solutions to threading problems: a synchronous dispatcher (or 'reactor') and an asynchronous dispatcher (or 'active object').

Discusses architectural solutions to threading problems. Takes a look at threads from the perspective of an object-oriented designer, and at how to implement threads in an object-oriented environment, focusing on the implementation of asynchronous met...