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

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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?

public boolean charge(double price) { boolean isSuccess = super.charge(price); if (lisSuccess) super.charge(5); return i

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Data Structures and Algorithms in Java

ISBN: 978-1118771334

6th edition

Authors: Michael T. Goodrich, Roberto Tamassia, Michael H. Goldwasser

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Question Posted: Dec 12, 2018 12:46 PM

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

Question:

public boolean charge(double price) { boolean isSuccess = super.charge(price); if (lisSuccess) super.charge(5); return isSuccess; } // the penalty

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Data Structures and Algorithms in Java

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