Q:

Which two statements are true about has-a and is-a relationships? (choose two)

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Which two statements are true about has-a and is-a relationships? (choose two)


  1. Inheritance represents an is-a relationship
  2. Inheritance represents an has-a relationship
  3. Interfaces must be used when creating a has-a relationship
  4. Instance variables can be used when creating a has-a relationship

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