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 explanations of their meanings.

Code words in text, database table names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles are shown as follows: "Each folder has a subfolder called conf where the configuration for that specific core resides."

A block of code is set as follows:

{
  { "id": 1, "title":"The Birthday Concert" },
  { "id": 2, "title":"Live in Italy" },
  { "id": 3, "title":"Live in Paderborn" },
}

When we wish to draw your attention to a particular part of a code block, the relevant lines or items are set in bold:

<filter class="solr.LowerCaseFilterFactory"/>
<filter class="solr.StopFilterFactory" words="stopwords.txt" ignoreCase="true"/>

Any command-line input or output is written as follows:

# mvn cargo:run –P fieldAnalysis

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: "Choose a field type or a field. Then press the Analyse Values button."