Question

Valentine, Holiday, and Birthday inherit from the class Card. In order for the following code to be correct, what type must the reference variable card be? card = new Valentine( "A", 14 ) ; card.greeting(); card = new Holiday( "B" ) ; card.greeting(); card = new Birthday( "C", 12 ) ; card.greeting();

Answer 1

what do you mean to say by this question?.

Answer 2

Answer:

CARD

Explanation:

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