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PROBLEM 2, JAVA Programming

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#The objective is to implement a menu-based system for Bank Accounts in order to simulate a very simple banking system. Many structures have to be declared to manage bank accounts. An account contains the information about a customer name; his/her account number; current balance and address.
The system should be capable of adding new customers, accepting deposits, handling withdrawals, and displaying data such as customer name, address, account number and balance in dollars.
We may use four parallel arrays. The first array (accountsArray) is for holding the account numbers (each account is of type integer). The second array (namesArray) is needed to hold the customer names. The third (addressesArray) is for customer addresses. And the fourth (balancesArray) is for balances (each balance is of type Real). If a customer has an account in this bank, accountsArray[i] is the account number of this customer, namesArray[i] is the name of the same customer, addressesArray[i] is the address of the same customer, and balancesArray[i] is the balance of the same customer’s account.
Assume that the bank’s strategy is to have at maximum 1000 customers. You can start filling partially the arrays by initializing with 10 customers’ data of your choice.
Implement your system to perform the following tasks:
Design the MENU described below:
ROCKING BANKING SYSTEM
———————————
1. Add a new customer
2. Add from file
3. Withdraw funds
4. Deposit funds
5. Show Balance
6. Save to file
7. Display All Customers
0. Exit
Enter your choice ?

The menu above is redisplayed after the completion of every task based on the item selected unless the item 0 is selected.
When selected,
• Menu Item 1
Prompts the user as follows: (Each item below is read before the next prompt)
Please enter the following Items
Customer Account Number (read input)
Customer Name (read input)
Customer Address (read input)
Initial Funds (read input)
Use the account number entered to assure that the account does not already exists in the array. If not, then add the new data to the appropriate arrays. If the account number already exists then display an appropriate error message.
• Menu Item 2
Add new customers from a predefined file “client.txt”.
• Menu Item 3
Prompts the user as follows: (Each item below is read before the next prompt)
Please enter the following Items
Customer Account Number (read input)
Withdraw Amount (read input)
Use the account number to verify that the account exists in the account array. If not, display an appropriate message. If the account exists, perform the withdrawal transaction and update the account. The transaction should check the account for the availability of funds. If sufficient funds are available complete the transaction and display a message. Similarly, display a message if funds are less than the amount requested.
• Menu Item 4
Prompts the user as follows: (Each item below is read before the next prompt)
Please enter the following Items
Customer Account Number (read input)
Deposit Amount (read input)
Use the account number to verify that the account exists in the account array. If not, display an appropriate message. If the account exists, perform the deposit transaction, update the account, and display an appropriate message.
• Menu Item 5
Prompts the user as follows: (Each item below is read before the next prompt)
Please enter the following Items
Customer Account Number (read input)
Use the account number to verify that the account exists in the account array. If not, display an appropriate message. If the account exists, the system should display the account details. Below is an example about the layout of the displayed details on the screen:
Account Number: 10
Customer Name: James Dean
Address: Kiulap
Current Balance $ 8171.98
• Menu Item 6
Save the content of the array in the file “client.txt”.
• Menu Item 7
Display the Bank Customers Details as a report.
• Menu Item 0

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