Modular Programming in Java 9

Conventions

In this book, you will find a number of text styles that distinguish between different kinds of information. Here are some examples of these styles and an explanation of their meaning.

Code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles are shown as follows: "We'll first call the getContacts() method on an instance of ContactUtil to get the hardcoded Contact list."

A block of code is set as follows:

    module packt.addressbook { 
      requires packt.sortutil; 
    }

Any command-line input or output is written as follows. Lines beginning with $  indicate an input command. The input command might be broken into several lines to aid readability, but needs to ...