"Spring in Action" 2E is an expanded, completely updated second edition of the best selling "Spring in Action," Written by Craig Walls, one of Manning's best writers, this book covers the exciting new features of Spring 2.0, which was released in October 2006.Spring is a lightweight container framework that represents an exciting way to build enterprise components with simple Java objects. By employing dependency injection and AOP, Spring encourages loosely coupled code and enables plain-old Java objects with capabilities that were previously reserved for EJBs. This book is a hands-on, example-driven exploration of the Spring Framework. Combining short code snippets and an ongoing example developed throughout the book, it shows readers how to build simple and efficient J2EE applications, how to solve persistence problems, handle asynchronous messaging, create and consume remote services, build web applications, and integrate with most popular web frameworks. Readers will learn how to use Spring to write simpler, easier to maintain code so they can focus on what really matters -- critical business needs."Spring in Action," 2E is for Java developers who are looking for ways to build enterprise-grade applications based on simple Java objects, without resorting to more complex and invasive EJBs. Even hard-core EJB users will find this book valuable as "Spring in Action," 2E will describe ways to use EJB components alongside Spring. Software architects will also find "Spring in Action," 2E useful as they assess and apply lightweight techniques prescribed by Spring. and learn how Spring can be applied at the various layers of enterprise applications.