With Modular Java, you can easily develop applications that are more flexible, can be tested, maintained, and understood. Modular Java is a pragmatic guide to developing modular applications using OSGi, the framework for dynamic modularity in Java, and Spring Dynamic Modules, the extension of OSGi for Spring Framework. Along the way, you will apply what you learn when you create a complete web application that consists of several modules OSGi, Spring-DM uses to wire modules together. Modular Java filled with tips and tricks that will make you more proficient OSGi and Spring-DM developers.