Generalization

• Relationship which organizes classes based on their similarities and differences

• Relationship between a general thing (the superclass) and a more specific thing (the subclass)

• sometimes called “is-a-kind-of” or “is-a” relationship

• Child is substitutable for the parent

• Child inherit properties of parent

• corresponds to inheritance in object-oriented languages

• NOTATION -

  • an arrow whose head is next to the specialization

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