Bank Class

You have a lot of flexibility in creating this class, but here is what it should be able to do

• manage an array list of Accounts that could be any kind of account
• add an Account  (of any type)
• remove an account by
  • account id
  • owner (a Person object)

• Methods
  • ArrayList<Person>  topAccountOwners(double cutoff)
    • this method returns an ArrayList of the owners whose accounts have at least cutoff amount of balance
  • void nightlyUpdate()
    • this runs through the accounts and if account is a SavingsAccount, then it calls that object’s recordDailyBalance() method
  • Account topBalance()   ; returns the Account object with the greatest balance
  • Account[] allWithinRange(double min, double max) returns an array of Accounts whose balances range from min  to max , inclusive
  • boolean transfer( double amount, int accountIdFrom , int accountIdTo) ;  this method transfers  money from the one account to the other. If the accountIdFrom  does not have enough $$, this method returns false.
  • void monthlyUpdate()
    • this runs through the accounts and if
    • account is a SavingsAccount, then it calls that object’s updateInterestPayment() method
  • ** extra credit ArrayList<Account> sortByAmount()  
    •   this method returns an arraylist of Accounts sorted by amount in the account