The key to the modernization of Java is the energy and enthusiasm of the Java developer community at large. In the 2016 Guide to Modern Java, we cover how Java 8 improves the developer experience and preview features of Java 9. Discover how the JVM landscape is changing, 7 habits of super productive Java developers, and a checklist to build Java 8 APIs. Learn more about Jigsaw, its capabilities, and how to create Java 9 modules. We also explore implementing hash tables and reactive microservices for a flexible architecture.