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The adapted UML is called Systems Modeling
Language , or SysML for short.
Now, UML is pretty extensive. This is one of the points the language is criticized
on. Nevertheless, more elements have been added. To ensure that SysML will
not get too big, even elements explicit to UML but not required in systems engineering
are excluded ( Figure 4.1 ). This includes, for example, components that are
too much on the software side for systems engineering, and several rather exotic
elements for class modeling, such as power types and package merge . The core of
object orientation??”classes, objects, inheritance??”are moved into the background.
An electrical or mechanical engineer won ??™ t fi rst have to study object orientation
to be able to use SysML. Accordingly, the UML chapter (Chapter 3) describes only
those elements of UML that directly or indirectly belong to SysML.
SysML??”The Systems
Modeling Language 4
CHAPTER
224 CHAPTER 4 SysML??”The Systems Modeling Language
The most important extensions or changes to UML are:
?–  Classes are called blocks .


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