Typographical Conventions

This tutorial uses the following font conventions:


Italic

Used for filenames, file extensions, URLs, app names, emphasis, and new terms when they are first introduced


Constant width

Used for Java class names, functions, variables, components, properties, data types, events, and snippets of code that appear in the text


Constant width bold


Used for commands you enter at the command line and to highlight new code inserted in a running example

Screenshot

This icon designates a note, which is an important aside to the nearby text.


Screenshot

This icon designates a warning.


      
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