Java Application Prototype And Graphical User Interfaces (GUIs) - Computer Science Assignment Help

Assignment Task

1. Project requirements and description

In this project you will develop a java application prototype that simulates the operation of an automatic teller machine (ATM) that requires the user to input an account number and a pin to access an account and from there they could either deposit, withdraw, or check their balance. The accounts are supposed to be saved so that you could run the program and access the account again to change the balance. Your application should include the following functions and
features, also you have to design Graphical User interfaces (GUIs)

1.1. Login: Before performing any transaction, the user must enter his or her name and on an input screen. Since the operation of this input screen should simulate the normal operation of an ATM, the PIN should not appear on the screen. In addition to the message which appears after every unsuccessful attempt, if after three tries the PIN matching the name has not been entered, the application should display a message requesting the user to try using the ATM again later. The names and PINs of users must be validated using data contained in a text file called “Customers.txt” having the following structure:

• name (String)
• PIN (String – 4 characters)

1.2. Main Form: Once access has been authorized; the main screen of the application should allow the user to carry out one of the following transactions:
• Deposit
• Withdrawal
• Transfer
• Bill payment

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