This book takes you through the process of creating content-rich websites and applications using OpenCms. Although powerful and flexible, OpenCms can be daunting on first approach, but its advanced features reward the investment in learning. This book exists to ease Java developers into getting the most from OpenCms. With hard-won experience of the practical difficulties faced by developers working with OpenCms, this book is the embodiment of the author's expertise, and the perfect way to master the system. If you are a web developer new to OpenCms, or are an experienced OpenCms developer who is looking to get the most from the system, then this is the book for you. A working knowledge of Java, JSP, and XML is required to get the most from OpenCms, and from this book.