Spring is the most popular Java web framework. It makes it easy to efficiently build modular and testable web applications by using the Model-View-Controller paradigm and dependency injection.Using this practical guide, you’ll learn how to build a full-featured web application step-by-step, but with high efficiency using the latest improvements in Spring 4. Starting with the installation of Java, Maven, and Tomcat, you’ll go on to create a basic MVC web application. You’ll then add a database, forms, and user authentication, and learn how to handle mobile devices and integrate with Facebook and Twitter. Next, you will be introduced to unit testing, web services, and aspect-oriented programming.