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Design and implement a class called CreditUnion that manages user accounts using an appropriate graphical user interface in Swing or AWT. Each instance of the CreditUnion class will have a name and a maximum number of accounts that it can handle.
The CreditUnion class should have the following methods:
openAccount ( allow a user to open a new Credit Union account)
closeAccount (allow an account holder to close an account on condition that the balance is currently zero)
makeLodgement ( allow an account holder to lodge money)
makeWithdrawal (allow an account holder to withdraw money from their account)
requestOverdraft (allow an account holder to request a new overdraft limit).
Each CreditUnion Account should have a number, a name, a current balance and an overdraft limit. The methods for each account are:
lodgement ( make a lodgement)
withdrawal (remove a sum of money from the account on condition that there are sufficient funds available to meet the request)
balance (check current balance)
overdraftLimit ( check current overdraft limit)
setNewOverdraft ( set the overdraft limit to some given value).
This assignment will test your knowledge of
Input and Output Streams
Graphical user interface