Question: As per pre-condition, you need not worry about logging in process. Checking validity of an account number belonging to another bank is not instantaneous -

As per pre-condition, you need not worry about logging in process. Checking validity of an account number belonging to another bank is not instantaneous - so, usually, ATMs do not allow for inter-bank transfers. Hence, you can assume for this use case, the ATM Customer can transfer money into any account in the same bank.The use case assumes the ATM Customer is logged into their account; so the source account number is known. The destination account number is being entered by the ATM Customer in step #3
Please implement the concrete test cases use JUnit or similar tools for this. Implement the ATM also - without this we cannot run the testcases
llon onen. Tronefar Mhannu
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