In this chapter, you will learn:
How the Java source code used to be written, packaged, and deployed prior to JDK 9 and the underlying issues with that approach
What a module is in JDK 9
How to declare modules and their dependencies
How to package modules
What a module path is
What observable modules are
How to print the list of observable modules
How to print the description of a module
This chapter is meant to give you a brief conceptual overview of the module system introduced in JDK 9. Subsequent chapters cover all these concepts in detail, with examples. Don’t worry if you do not understand all module-related ...
