Metaclasses

• A metaclass is a class of classes. Example:

  • The instances of an Aircraft class are:
    • F16, B1, F117, etc.
  • The properties of Aircraft are:
    • wingspan, range, weight, etc.
  • Each of the instances of Aircraft are themselves classes!
    • The instances of a F16 class are specific F16 planes.
    • The properties of F16 are:
      • tailNum, deployedAt, etc.
    • The Aircraft class is a metaclass!

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