Design a class Bank that contains a number of bank accounts. Each account has an account number and a current balance. Add an accountNumber field to the BankAccount class. Store the bank accounts in an array list. Write a readFile method of the Bank class for reading a file with the format:

Implement read methods for the Bank and BankAccount classes. Write a sample program to read in a file with bank accounts, then print the account with the highest balance.
If the file is not properly formatted, give the user a chance to select another file.

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account Numberl balancel account Number2 balance2