Lecture 21
8
Going back through the stack
•incrementBalance throws an InsufficientFundsException and does not catch it (no try block here)
•The incrementBalance message was sent from   BankAccount withdraw method,                                             which doesn’t catch the Exception either (no try block)
•The withdraw message was sent from Bank processTransactionsForAccount method – inside a try block. So control transfers to the matching catch block, which handles the Exception
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