This method fills up the account number and balance arrays by reading from an input file until EOF is reached, and counting

how many accounts are read in$.$ It returns the actual number of accounts read in $($later referred to as numAccts$).$

After initialization, the main program prints the initial database of accounts and balances. Use method printAccts$()$

described below.

The program then allows the user to select from the following menu of transactions:

Select one of the following:

W $-$ Withdrawal

D $-$ Deposit

N $-$ New account

B $-$ Balance

Q $$ Quit

X $$ Delete Account $$ Extra Credit

Use the following method to produce the menu:

public static void menu$()$

This method only displays the menu. The main program then prompts the user for a selection. You should verify that the user

has typed in a valid selection $($otherwise print out an error message and repeat the prompt$)$