1. Module Defined
First, we need to answer a simple question:
What is a software module on the Java platform?
1.1. Defining a Module
A module is simply a “chunk of software.” Unfortunately, that’s not concise enough to differentiate a module from other software chunks, such as classes, packages, components, services, or even applications. So, we need to focus on this definition:
A software module is a deployable, manageable, natively reusable, composable, stateless unit of software that provides a concise interface to consumers.
That’s a mouthful, and I feel bad about dumping this on you in the very first chapter. But, after some explanation, you’re sure to grasp what a module is. Figure 1.1 illustrates this definition. Next, you explore the ...
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