Conventions

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

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: "Create the /data/mongo/db directory (or any of your choice)."

A block of code is set as follows:

   import com.mongodb.DB;
   import com.mongodb.DBCollection;
   import com.mongodb.DBObject;
   import com.mongodb.MongoClient;

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

$ sudo apt-get install default-jdk

New terms and important words are shown in bold. Words that you see on the screen, in menus or dialog boxes for example, appear in the text like this: "As we want to start a free micro instance, check the Free tier only checkbox on the left".

Note

Warnings or important notes appear in a box like this.

Tip

Tips and tricks appear like this.