Conventions Used in This Book
This book uses the following typographic conventions: 
- Constant width
 
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Constant width is used for UML keywords, UML element names such as
class and object names, method names and signatures, constraints,
properties, and any other time text from a UML diagram that is
referenced in the main body of the text. 
 
- Italic
 
- 
Italic is used for emphasis, for first use of a technical term, and
for URLs. 
 
- ...
 
- 
Ellipses indicate text in examples or UML diagrams that has been
omitted for clarity. 
 
 
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