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UML 2.0 in Action by Philippe Baumann, Patrick Grassle, Henriette Baumann

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4.2 Structural View

4.2.1 Objects and Classes

The basis of the object-oriented approach is as good as possible a representation of something that exists in the real world first in a model and later in an IT system. However, this representation will never completely correspond to reality. Everything in the real world, whether it is a living being, an object, or an idea, is so complex and has so many aspects, that this complexity can never be completely represented:

4.2.1 Objects and Classes

Figure 4.21 A few aspects of Mr. Smith

To allow representation as a model it is necessary to focus on a few particular aspects and to leave out all others. The essential, meaning the interesting, ...

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