This book covers in detail the most popular Java-based Logging API named Apache Log4j. This book is based on the most recent release version 1.2.9. The book includes a step-by-step approach in explaining the concepts from the very basics to the advanced concepts. Apart from explaining in details the architecture of the API and it use; this book also shows how to extend the API to write custom components.
It also describes the best practices involved in using this feature rich log4j API. This book finally also provides a comparison with the other popular JDK Logging API bundled with JDK itself.