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| var emailAbstract="This tutorial gives you the building blocks you need to set up and work with the XML Schema Infoset Model. It shows how to set up the development environment, create and load XML Schema models, work with namespaces, and reuse definitions across XML Schema models. This tutorial is the first of a two-part series that introduces you to XML Schema concepts and the XML Schema Infoset model."; |
| var justTitle="XML Schema Infoset Model, Part 1"; |
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| var menu2blurb="XML Schema fundamentals"; |
| var menu3blurb="Setting up the development environment"; |
| var menu4blurb="Using XML Schema Infoset Model classes"; |
| var menu5blurb="Working with XML Schema resources in Eclipse"; |
| var menu6blurb="Working with namespaces"; |
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| var menu8blurb="Summary and resources"; |
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| <b>Class diagrams</b> |
| <br> |
| Unified Modeling Language (UML) has become the |
| developer's choice of tools for object-oriented design. |
| Many types of diagrams are defined by UML, but here we'll only cover class diagrams and |
| associations between classes. This tutorial will use IBM Rational XDE to display the different |
| diagrams. |
| </p><p> |
| In class diagrams, classes are represented as boxes with |
| three compartments: |
| <br> |
| <img alt="UML Class Diagram" src="images/uml_classdiagrams.jpg" width="572" height="112"> |
| <br> |
| The top section in a Class object contains the class |
| name; if the class is abstract, then the name is |
| italicized. The middle section contains the class |
| attributes. The bottom section contains the class |
| methods or operations. Like the class name, if a method |
| is abstract, its name is italicized. |
| </p><p> |
| <b>Associations between classes</b> |
| <br> |
| Any interaction between classes is shown by a line drawn |
| between the classes. A simple line indicates an |
| association. The relationship between the classes can be |
| modified to provide information about the association. |
| The following diagram show the different types of |
| associations that you will need to understand: |
| <br> |
| <img alt="UML Class Diagram" src="images/uml_association.jpg" width="600" height="295"> |
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