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Assume that we change the CreditCard class (see Code Fragment 1.5) so that instance variable…

Assume that we change the CreditCard class (see Code Fragment 1.5) so that instance variable…

Assume that we change the CreditCard class (see Code Fragment 1.5) so that instance variable balance has private visibility. Why is the following implementation of the PredatoryCreditCard.charge method flawed?Fragment 1.5