simple java application -- 2

A new bank wants to make a simple application to keep track of all accounts and transactions.
In this TMA, it is required to help the bank manager implement the required application.
Requirements:
After a quick meeting with the bank manager, you got the following information:
 It is required to store all bank accounts in one collection and all the transactions happened
in another collection.
 Each account has a unique account number, a holder and balance. There is a specific prefix
(common for all accounts) that should be added to the holder's civil id to create the unique
account number. In addition, it is not allowed for a holder to have more than one account.
Furthermore, only three transactions are allowed on any account: deposit, withdrawal and
transfer money to another account.
 Each holder has a unique civil ID (national id), a name and other attributes (add at least 2
attributes from your choice).
 For each transaction, it is required to store the account(s) affected, amount of money, date,
and if they are successful. There are 3 types of transactions: deposit, withdrawal and
transfer.
Moreover, you have been informed that the following operations happen frequently:
 Creating a new account
 Deposit money into a specified account
 Withdrawal money from a specified account
 Transfer money between two specified accounts
 Printing details of the transaction where the maximum amount of money has been
transferred between 2 accounts
 Saving all accounts and transactions into a text file.
For accounts, they should be sorted in ascending order (according to the civil id)