Java ATM machine program ATM machines are used to withdraw and deposit cash in addition to make balance inquiries. The user enters a card in the ATM’s card reader, then the ATM, and through its console screen, asks the user to enter the card 4 digit PIN number. If the PIN is verified by the Bank (which keeps a list of bank accounts), the ATM will present the user with a menu of the available choices (Transactions), otherwise, invalid PIN message will be displayed, users can try to enter the PIN three times after which the card will be claimed by the machine. If the user choses to withdraw, he will be presented with a menu of a specific amounts or he can enter the amount, if the user balance is sufficient and if the cash dispenser has the amount available, the cash amount will be dispensed from the cash dispenser. ATM Transactions 1. Withdraw 2. Balance inquiry At any time during a transaction, the user can choose to cancel and thus end the transaction ATM States 1. Ready: waits the user to enter the Card 2. Card Inserted: waits the user to enter the PIN 3. Transaction: waits for the user to select transaction 4. Withdraw: waits for the user to enter amount 5. Dispense Cash: waits for the user to collect money and exit 6. Display Balance: display balance and waits for the user to select back/exit 7. Display Error message 1. Define a number of Exceptions to handle cases like cancelled, insufficient balance, not enough cash, invalid PIN, etc.. 2. Use Interface to define the work of any display/keyboard 3. All transactions taken place on the ATM must be logged to a file. 4. Build a GUI to simulate the ATM operation.
Java ATM machine program
ATM machines are used to withdraw and deposit cash in addition
to make balance inquiries. The user enters a card in the ATM’s card
reader, then the ATM, and through its console screen, asks the user
to enter the card 4 digit PIN number. If the PIN is verified by the
Bank (which keeps a list of bank accounts), the ATM will present
the user with a menu of the available choices (Transactions),
otherwise, invalid PIN message will be displayed, users can try to
enter the PIN three times after which the card will be claimed by
the machine.
If the user choses to withdraw, he will be presented with a menu of
a specific amounts or he can enter the amount, if the user balance is
sufficient and if the cash dispenser has the amount available, the
cash amount will be dispensed from the cash dispenser.
ATM Transactions 1. Withdraw
2. Balance inquiry
At any time during a transaction, the user can choose to
cancel and thus end the transaction
ATM States 1. Ready: waits the user to enter the Card
2. Card Inserted: waits the user to enter the PIN
3. Transaction: waits for the user to select transaction
4. Withdraw: waits for the user to enter amount
5. Dispense Cash: waits for the user to collect money and exit
6. Display Balance: display balance and waits for the user to
select back/exit
7. Display Error message
1. Define a number of Exceptions to handle cases like
cancelled, insufficient balance, not enough cash, invalid
PIN, etc..
2. Use Interface to define the work of any display/keyboard
3. All transactions taken place on the ATM must be logged to
a file.
4. Build a GUI to simulate the ATM operation.
Step by step
Solved in 2 steps