Learn how the Trace and Request Analyzer for WebSphere Application Server allows you to find delays and hangs from WebSphere trace files and HTTP plug-in traces by parsing call trees of methods and traces and calculating delays in each method and trace.

Discover how the Pattern Modeling and Analysis Tool for Java Garbage Collector parses GC trace, analyzes Java heap usage, and recommends configurations based on pattern modeling of Java heap usage.

This article shows you how to work with collections while taking advantage of enhancements made to the framework in Java SE 6. You can go far beyond HashMap or TreeSet by using generics and concurrency features to make your applications more maintainable and scalable.

Discover the Simple Text Transformation Tool, an extensible, Eclipse-RCP-based tool that allows you to perform transformations to text data. Also, become familiar with the Simple Text Transformation Tool’s built-in features for processing text files.

Load testing is often relegated to late-cycle activities, but it doesn't need to be that way. In this installment of Automation for the people, automation expert Paul Duvall describes how you can discover and fix problems throughout the development cycle by creating a scheduled integration build that runs JMeter tests.