Which four are true?()
- A Has-a relationships should never be encapsulated.
- B Has-a relationships should be implemented using inheritance.
- C Has-a relationships can be implemented using instance variables.
- D Is-a relationships can be implemented using the extends keyword.
- E Is-a relationships can be implemented using the implements keyword.
- F An array or a collection can be used to implement a one-to-many has-a relationship.
- G The relationship between Movie and Actress is an example of an is-a relationship.