If you are a Java developer who has been coding Java applications, and you want to learn about the new modularity features in Java 9, you are the perfect audience for this book. You may working on a Java 9 modular project, or may be tasked with the effort to migrate an existing Java code base to Java 9, or you may have found the buzz around modularity in Java intriguing and want to learn more; either way, this is the right book for you!

This book assumes you are familiar with the Java programming language and have written some Java code before. It also assumes you are comfortable with the command-line interface in your operating system of choice. The commands you need to run will be provided in the book.