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 be entered as one continuous line at prompt:

$ export JAVA_HOME=$(/usr/libexec/java_home -v 1.8)

New terms and important words are shown in bold. Words that you see on the screen, for example, in menus or dialog boxes, appear in the text like this: "Click on File | New Project, you'll see a New Project overlay with a new option in the Java category--Java Modular Project."