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What is true about $UML$ stereotypes ?

  1. Stereotype is used for extending the $UML$ language.
  2. Stereotyped class must be abstract 
  3. The stereotype indicates that the $UML$ element cannot be changed 
  4. UML profiles can be stereotyped for backward compatibility 
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Answer A

  • Stereotype, tags and constraints are used for extending the UML.
  • They allow designers to extend the vocabulary of UML in order to create new model elements, derived from existing ones.
  •  a stereotype is rendered as a name enclosed by <<  >>
  • A stereotype cannot be used by itself, but must always be used with one of the metaclasses it extends. 
  • Stereotype cannot be extended by another stereotype.
Answer:

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