BEA WebLogic Server is the most popular application server for hosting e-business applications. It is designed for creating applications with flexibility, security, scalability, performance, fault tolerance, and standards-based solutions. Currently BEA WebLogic Server has 53% of the Application Server market among 80 application vendors (IBM WebSphere has 24%, SUN iPlanet has 9%). This book is written with Solaris and Windows as target implementation operating systems. A case study in methodically developed to ensure the reader can learn through examples. Each section has a question and answer portion that helps prepare the reader for real-world EJB development and the BEA WebLogic Certification Test.