Question: Exercise 1 4 . 1 0 Many commercially sold programs contain errors that are not handled properly in the software and cause them to crash.
Exercise
Many commercially sold programs contain errors that are not handled properly in the software and cause them to crash. Is that unavoidable? Is it acceptable? Discuss this issue.
The problem with the removeDetails method is that it assumes that the key passed to it is a valid key for the address book. It uses the supposed key to retrieve the associated contact details:
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