Java Programming
Java Programming
9th Edition
ISBN: 9780357616635
Author: Joyce Farrell
Publisher: CENGAGE L
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Chapter 12, Problem 1RQ
Program Description Answer

In object-oriented programming, an exception is referred to as an unexpected or error condition.

Hence, the correct answer is option “B”.

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Explanation of Solution

Exception:

  • In Java, the exception is an object used to signal the unexpected error occurred during a program execution.
  • Exception is the error, which arises at run time and such errors can be handled in Java by exception handling.
  • The exception handling allows a method to throw an error to its caller and allowing the caller to manage that error.
    • The called method itself must manage the error or end the program without this exception handling. But the called method does not know when error occurs.
    • The library method helps to find the error, but only caller method knows how to handle that errors.

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Add a new class Checking Account that inherits from the BankAccount class, and has a double instance variable overdraftLimit in addition to the variables inherited from the superclass. Create a constructor for the Checking Account class that takes in the account number, account holder name, initial balance, account type and overdraft limit as input, and uses the super keyword to call the constructor of the superclass, passing in the account number, account holder name and initial balance, account type. Re-write the withdraw() method in the CheckingAccount class so that it first checks if the withdrawal amount is less than the current balance plus the overdraft limit. If it is, the withdrawal is allowed and the balance is updated. If not, the method should return an error message "Insufficient funds". Create a new method displayOverdraft Limit() that returns the overdraft limit of the Checking Account. In the BankAccountTest class, create a new object of type Checking Account with…
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